87734678864 has 40 divisors (see below), whose sum is σ = 197454409728. Its totient is φ = 36984170880.

The previous prime is 87734678851. The next prime is 87734678903. The reversal of 87734678864 is 46887643778.

It is a junction number, because it is equal to n+sod(n) for n = 87734678794 and 87734678803.

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, 6414032 + ... + 6427695.

Almost surely, 2^87734678864 is an apocalyptic number.

It is an amenable number.

87734678864 is an abundant number, since it is smaller than the sum of its proper divisors (109719730864).

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

87734678864 is a wasteful number, since it uses less digits than its factorization.

87734678864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12841803 (or 12841797 counting only the distinct ones).

The product of its digits is 303464448, while the sum is 68.

The spelling of 87734678864 in words is "eighty-seven billion, seven hundred thirty-four million, six hundred seventy-eight thousand, eight hundred sixty-four".