87655655678 has 16 divisors (see below), whose sum is σ = 138474723840. Its totient is φ = 41499783000.

The previous prime is 87655655669. The next prime is 87655655729.

87655655678 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517028 + ... + 665303.

It is an arithmetic number, because the mean of its divisors is an integer number (8654670240).

Almost surely, 2^87655655678 is an apocalyptic number.

87655655678 is a deficient number, since it is larger than the sum of its proper divisors (50819068162).

87655655678 is a wasteful number, since it uses less digits than its factorization.

87655655678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184303.

The product of its digits is 423360000, while the sum is 68.

The spelling of 87655655678 in words is "eighty-seven billion, six hundred fifty-five million, six hundred fifty-five thousand, six hundred seventy-eight".