87520204 has 24 divisors (see below), whose sum is σ = 157506048. Its totient is φ = 42531600.

The previous prime is 87520201. The next prime is 87520241. The reversal of 87520204 is 40202578.

It is a super-2 number, since 2×87520204² = 15319572216403232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87520201) 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, 26847 + ... + 29929.

It is an arithmetic number, because the mean of its divisors is an integer number (6562752).

Almost surely, 2^87520204 is an apocalyptic number.

It is an amenable number.

87520204 is a deficient number, since it is larger than the sum of its proper divisors (69985844).

87520204 is a wasteful number, since it uses less digits than its factorization.

87520204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285 (or 3283 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 87520204 is about 9355.2233538275. The cubic root of 87520204 is about 443.9861681701.

The spelling of 87520204 in words is "eighty-seven million, five hundred twenty thousand, two hundred four".