87720659596 has 6 divisors (see below), whose sum is σ = 153511154300. Its totient is φ = 43860329796.

The previous prime is 87720659513. The next prime is 87720659627. The reversal of 87720659596 is 69595602778.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10965082446 + ... + 10965082453.

Almost surely, 2^87720659596 is an apocalyptic number.

It is an amenable number.

87720659596 is a deficient number, since it is larger than the sum of its proper divisors (65790494704).

87720659596 is a wasteful number, since it uses less digits than its factorization.

87720659596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21930164903 (or 21930164901 counting only the distinct ones).

The product of its (nonzero) digits is 57153600, while the sum is 64.

The spelling of 87720659596 in words is "eighty-seven billion, seven hundred twenty million, six hundred fifty-nine thousand, five hundred ninety-six".