2866988520 has 480 divisors, whose sum is σ = 10845394560. Its totient is φ = 678585600.

The previous prime is 2866988507. The next prime is 2866988533. The reversal of 2866988520 is 258896682.

2866988520 is a `hidden beast` number, since 28 + 6 + 6 + 98 + 8 + 520 = 666.

2866988520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2866988507) and next prime (2866988533).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 27834789 + ... + 27834891.

It is an arithmetic number, because the mean of its divisors is an integer number (22594572).

Almost surely, 2^2866988520 is an apocalyptic number.

2866988520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2866988520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5422697280).

2866988520 is an abundant number, since it is smaller than the sum of its proper divisors (7978406040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2866988520 is a wasteful number, since it uses less digits than its factorization.

2866988520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The square root of 2866988520 is about 53544.2669199981. The cubic root of 2866988520 is about 1420.6114737415.

The spelling of 2866988520 in words is "two billion, eight hundred sixty-six million, nine hundred eighty-eight thousand, five hundred twenty".