87442604 has 6 divisors (see below), whose sum is σ = 153024564. Its totient is φ = 43721300.

The previous prime is 87442603. The next prime is 87442657. The reversal of 87442604 is 40624478.

It is not an unprimeable number, because it can be changed into a prime (87442601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10930322 + ... + 10930329.

It is an arithmetic number, because the mean of its divisors is an integer number (25504094).

Almost surely, 2^87442604 is an apocalyptic number.

It is an amenable number.

87442604 is a deficient number, since it is larger than the sum of its proper divisors (65581960).

87442604 is a wasteful number, since it uses less digits than its factorization.

87442604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21860655 (or 21860653 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 87442604 is about 9351.0750184137. The cubic root of 87442604 is about 443.8549088997.

The spelling of 87442604 in words is "eighty-seven million, four hundred forty-two thousand, six hundred four".