87475908788 has 24 divisors (see below), whose sum is σ = 154019426400. Its totient is φ = 43471137248.

The previous prime is 87475908761. The next prime is 87475908829. The reversal of 87475908788 is 88780957478.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353831 + ... + 547857.

It is an arithmetic number, because the mean of its divisors is an integer number (6417476100).

Almost surely, 2^87475908788 is an apocalyptic number.

It is an amenable number.

87475908788 is a deficient number, since it is larger than the sum of its proper divisors (66543517612).

87475908788 is a wasteful number, since it uses less digits than its factorization.

87475908788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194719 (or 194717 counting only the distinct ones).

The product of its (nonzero) digits is 252887040, while the sum is 71.

The spelling of 87475908788 in words is "eighty-seven billion, four hundred seventy-five million, nine hundred eight thousand, seven hundred eighty-eight".