87658787575 has 24 divisors (see below), whose sum is σ = 112408916480. Its totient is φ = 67740472800.

The previous prime is 87658787551. The next prime is 87658787591. The reversal of 87658787575 is 57578785678.

It is not a de Polignac number, because 87658787575 - 2²¹ = 87656690423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87658787498 and 87658787507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 320536 + ... + 527314.

Almost surely, 2^87658787575 is an apocalyptic number.

87658787575 is a deficient number, since it is larger than the sum of its proper divisors (24750128905).

87658787575 is a wasteful number, since it uses less digits than its factorization.

87658787575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207367 (or 207362 counting only the distinct ones).

The product of its digits is 921984000, while the sum is 73.

The spelling of 87658787575 in words is "eighty-seven billion, six hundred fifty-eight million, seven hundred eighty-seven thousand, five hundred seventy-five".