2866487880 has 64 divisors (see below), whose sum is σ = 8605699200. Its totient is φ = 763842560.

The previous prime is 2866487873. The next prime is 2866487893. The reversal of 2866487880 is 887846682.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2866487880.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173416 + ... + 189224.

It is an arithmetic number, because the mean of its divisors is an integer number (134464050).

Almost surely, 2^2866487880 is an apocalyptic number.

2866487880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2866487880 is an abundant number, since it is smaller than the sum of its proper divisors (5739211320).

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

2866487880 is a wasteful number, since it uses less digits than its factorization.

2866487880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17334 (or 17330 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 57.

The square root of 2866487880 is about 53539.5917055780. The cubic root of 2866487880 is about 1420.5287788015.

It can be divided in two parts, 286648 and 7880, that added together give a triangular number (294528 = T₇₆₇).

The spelling of 2866487880 in words is "two billion, eight hundred sixty-six million, four hundred eighty-seven thousand, eight hundred eighty".