87688446 has 16 divisors (see below), whose sum is σ = 180117264. Its totient is φ = 28439424.

The previous prime is 87688427. The next prime is 87688453. The reversal of 87688446 is 64488678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197275 + ... + 197718.

It is an arithmetic number, because the mean of its divisors is an integer number (11257329).

Almost surely, 2^87688446 is an apocalyptic number.

87688446 is an abundant number, since it is smaller than the sum of its proper divisors (92428818).

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

87688446 is a wasteful number, since it uses less digits than its factorization.

87688446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395035.

The product of its digits is 2064384, while the sum is 51.

The square root of 87688446 is about 9364.2109117640. The cubic root of 87688446 is about 444.2704808377.

The spelling of 87688446 in words is "eighty-seven million, six hundred eighty-eight thousand, four hundred forty-six".