87693612 has 24 divisors (see below), whose sum is σ = 205272816. Its totient is φ = 29137728.

The previous prime is 87693611. The next prime is 87693623. The reversal of 87693612 is 21639678.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (87693611) 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, 7723 + ... + 15330.

It is an arithmetic number, because the mean of its divisors is an integer number (8553034).

Almost surely, 2^87693612 is an apocalyptic number.

It is an amenable number.

87693612 is an abundant number, since it is smaller than the sum of its proper divisors (117579204).

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

87693612 is a wasteful number, since it uses less digits than its factorization.

87693612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23377 (or 23375 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 87693612 is about 9364.4867451452. The cubic root of 87693612 is about 444.2792051198.

The spelling of 87693612 in words is "eighty-seven million, six hundred ninety-three thousand, six hundred twelve".