87694784725 has 12 divisors (see below), whose sum is σ = 108745205536. Its totient is φ = 70153458480.

The previous prime is 87694784711. The next prime is 87694784747. The reversal of 87694784725 is 52748749678.

It is not a de Polignac number, because 87694784725 - 2²⁷ = 87560566997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1429024 + ... + 1489126.

Almost surely, 2^87694784725 is an apocalyptic number.

It is an amenable number.

87694784725 is a deficient number, since it is larger than the sum of its proper divisors (21050420811).

87694784725 is a wasteful number, since it uses less digits than its factorization.

87694784725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118476 (or 118471 counting only the distinct ones).

The product of its digits is 189665280, while the sum is 67.

The spelling of 87694784725 in words is "eighty-seven billion, six hundred ninety-four million, seven hundred eighty-four thousand, seven hundred twenty-five".