87133939625 has 16 divisors (see below), whose sum is σ = 109525503360. Its totient is φ = 69205647600.

The previous prime is 87133939591. The next prime is 87133939649. The reversal of 87133939625 is 52693933178.

It is a happy number.

It is not a de Polignac number, because 87133939625 - 2³² = 82838972329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2490077 + ... + 2524826.

It is an arithmetic number, because the mean of its divisors is an integer number (6845343960).

Almost surely, 2^87133939625 is an apocalyptic number.

It is an amenable number.

87133939625 is a deficient number, since it is larger than the sum of its proper divisors (22391563735).

87133939625 is a wasteful number, since it uses less digits than its factorization.

87133939625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5015057 (or 5015047 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 56.

The spelling of 87133939625 in words is "eighty-seven billion, one hundred thirty-three million, nine hundred thirty-nine thousand, six hundred twenty-five".