87523992 has 48 divisors (see below), whose sum is σ = 237978000. Its totient is φ = 29059776.

The previous prime is 87523949. The next prime is 87523999. The reversal of 87523992 is 29932578.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87523999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17109 + ... + 21627.

It is an arithmetic number, because the mean of its divisors is an integer number (4957875).

Almost surely, 2^87523992 is an apocalyptic number.

It is an amenable number.

87523992 is an abundant number, since it is smaller than the sum of its proper divisors (150454008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87523992 is a wasteful number, since it uses less digits than its factorization.

87523992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800 (or 4793 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 87523992 is about 9355.4258053816. The cubic root of 87523992 is about 443.9925735305.

The spelling of 87523992 in words is "eighty-seven million, five hundred twenty-three thousand, nine hundred ninety-two".