87977466 has 12 divisors (see below), whose sum is σ = 190617882. Its totient is φ = 29325816.

The previous prime is 87977443. The next prime is 87977471. The reversal of 87977466 is 66477978.

It can be written as a sum of positive squares in only one way, i.e., 86211225 + 1766241 = 9285^2 + 1329^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2443801 + ... + 2443836.

Almost surely, 2^87977466 is an apocalyptic number.

87977466 is an abundant number, since it is smaller than the sum of its proper divisors (102640416).

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

87977466 is a wasteful number, since it uses less digits than its factorization.

87977466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4887645 (or 4887642 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The square root of 87977466 is about 9379.6303765127. The cubic root of 87977466 is about 444.7580488369.

The spelling of 87977466 in words is "eighty-seven million, nine hundred seventy-seven thousand, four hundred sixty-six".