87520932 has 24 divisors (see below), whose sum is σ = 226906400. Its totient is φ = 29173608.

The previous prime is 87520931. The next prime is 87520949. The reversal of 87520932 is 23902578.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (87520931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405082 + ... + 405297.

Almost surely, 2^87520932 is an apocalyptic number.

It is an amenable number.

87520932 is an abundant number, since it is smaller than the sum of its proper divisors (139385468).

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

87520932 is a wasteful number, since it uses less digits than its factorization.

87520932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810392 (or 810384 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 87520932 is about 9355.2622624916. The cubic root of 87520932 is about 443.9873992041.

The spelling of 87520932 in words is "eighty-seven million, five hundred twenty thousand, nine hundred thirty-two".