87900075 has 36 divisors (see below), whose sum is σ = 158224248. Its totient is φ = 46646400.

The previous prime is 87900067. The next prime is 87900077. The reversal of 87900075 is 57000978.

It is not a de Polignac number, because 87900075 - 2³ = 87900067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87900077) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 50215 + ... + 51935.

It is an arithmetic number, because the mean of its divisors is an integer number (4395118).

Almost surely, 2^87900075 is an apocalyptic number.

87900075 is a deficient number, since it is larger than the sum of its proper divisors (70324173).

87900075 is a wasteful number, since it uses less digits than its factorization.

87900075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964 (or 1956 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 87900075 is about 9375.5039864532. The cubic root of 87900075 is about 444.6275973722.

The spelling of 87900075 in words is "eighty-seven million, nine hundred thousand, seventy-five".