87143830656 has 64 divisors (see below), whose sum is σ = 234405955200. Its totient is φ = 28680238080.

The previous prime is 87143830649. The next prime is 87143830667. The reversal of 87143830656 is 65603834178.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 87143830599 and 87143830608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405975 + ... + 1466646.

It is an arithmetic number, because the mean of its divisors is an integer number (3662593050).

Almost surely, 2^87143830656 is an apocalyptic number.

It is an amenable number.

87143830656 is an abundant number, since it is smaller than the sum of its proper divisors (147262124544).

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

87143830656 is a wasteful number, since it uses less digits than its factorization.

87143830656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872717 (or 2872705 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 87143830656 in words is "eighty-seven billion, one hundred forty-three million, eight hundred thirty thousand, six hundred fifty-six".