87687276 has 12 divisors (see below), whose sum is σ = 204603672. Its totient is φ = 29229088.

The previous prime is 87687269. The next prime is 87687283. The reversal of 87687276 is 67278678.

It is an interprime number because it is at equal distance from previous prime (87687269) and next prime (87687283).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3653625 + ... + 3653648.

It is an arithmetic number, because the mean of its divisors is an integer number (17050306).

Almost surely, 2^87687276 is an apocalyptic number.

It is an amenable number.

87687276 is an abundant number, since it is smaller than the sum of its proper divisors (116916396).

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

87687276 is a wasteful number, since it uses less digits than its factorization.

87687276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7307280 (or 7307278 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 51.

The square root of 87687276 is about 9364.1484396607. The cubic root of 87687276 is about 444.2685049074.

The spelling of 87687276 in words is "eighty-seven million, six hundred eighty-seven thousand, two hundred seventy-six".