2866211880 has 288 divisors, whose sum is σ = 10246785120. Its totient is φ = 639475200.

The previous prime is 2866211833. The next prime is 2866211893. The reversal of 2866211880 is 881126682.

2866211880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 21879415 + ... + 21879545.

It is an arithmetic number, because the mean of its divisors is an integer number (35579115).

Almost surely, 2^2866211880 is an apocalyptic number.

2866211880 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 2866211880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5123392560).

2866211880 is an abundant number, since it is smaller than the sum of its proper divisors (7380573240).

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

2866211880 is a wasteful number, since it uses less digits than its factorization.

2866211880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 2866211880 is about 53537.0141117339. The cubic root of 2866211880 is about 1420.4831854316.

The spelling of 2866211880 in words is "two billion, eight hundred sixty-six million, two hundred eleven thousand, eight hundred eighty".