87655678 has 32 divisors (see below), whose sum is σ = 146644992. Its totient is φ = 38964000.

The previous prime is 87655669. The next prime is 87655679.

87655678 is nontrivially palindromic in base 10.

Its product of digits (2822400) is a multiple of the sum of its prime divisors (600).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87655679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228675 + ... + 229057.

It is an arithmetic number, because the mean of its divisors is an integer number (4582656).

Almost surely, 2^87655678 is an apocalyptic number.

87655678 is a deficient number, since it is larger than the sum of its proper divisors (58989314).

87655678 is a wasteful number, since it uses less digits than its factorization.

87655678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600.

The product of its digits is 2822400, while the sum is 52.

The square root of 87655678 is about 9362.4611080634. The cubic root of 87655678 is about 444.2151346299.

The spelling of 87655678 in words is "eighty-seven million, six hundred fifty-five thousand, six hundred seventy-eight".