87720659595 has 48 divisors (see below), whose sum is σ = 152624160000. Its totient is φ = 46607780160.

The previous prime is 87720659513. The next prime is 87720659627. The reversal of 87720659595 is 59595602778.

It is not a de Polignac number, because 87720659595 - 2¹⁴ = 87720643211 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13896490 + ... + 13902800.

It is an arithmetic number, because the mean of its divisors is an integer number (3179670000).

Almost surely, 2^87720659595 is an apocalyptic number.

87720659595 is a deficient number, since it is larger than the sum of its proper divisors (64903500405).

87720659595 is a wasteful number, since it uses less digits than its factorization.

87720659595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7440 (or 7437 counting only the distinct ones).

The product of its (nonzero) digits is 47628000, while the sum is 63.

The spelling of 87720659595 in words is "eighty-seven billion, seven hundred twenty million, six hundred fifty-nine thousand, five hundred ninety-five".