87523612 has 24 divisors (see below), whose sum is σ = 167328000. Its totient is φ = 39726960.

The previous prime is 87523603. The next prime is 87523613. The reversal of 87523612 is 21632578.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87523613) 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, 57639 + ... + 59137.

It is an arithmetic number, because the mean of its divisors is an integer number (6972000).

Almost surely, 2^87523612 is an apocalyptic number.

It is an amenable number.

87523612 is a deficient number, since it is larger than the sum of its proper divisors (79804388).

87523612 is a wasteful number, since it uses less digits than its factorization.

87523612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841 (or 2839 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 87523612 is about 9355.4054962893. The cubic root of 87523612 is about 443.9919309737.

The spelling of 87523612 in words is "eighty-seven million, five hundred twenty-three thousand, six hundred twelve".