87987654855 has 24 divisors (see below), whose sum is σ = 152804705040. Its totient is φ = 46836666240.

The previous prime is 87987654809. The next prime is 87987654863. The reversal of 87987654855 is 55845678978.

87987654855 is a `hidden beast` number, since 8 + 7 + 9 + 8 + 76 + 548 + 5 + 5 = 666.

It is not a de Polignac number, because 87987654855 - 2¹⁵ = 87987622087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1853025 + ... + 1899914.

It is an arithmetic number, because the mean of its divisors is an integer number (6366862710).

Almost surely, 2^87987654855 is an apocalyptic number.

87987654855 is a deficient number, since it is larger than the sum of its proper divisors (64817050185).

87987654855 is a wasteful number, since it uses less digits than its factorization.

87987654855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3753471 (or 3753468 counting only the distinct ones).

The product of its digits is 677376000, while the sum is 72.

The spelling of 87987654855 in words is "eighty-seven billion, nine hundred eighty-seven million, six hundred fifty-four thousand, eight hundred fifty-five".