87477268 has 6 divisors (see below), whose sum is σ = 153085226. Its totient is φ = 43738632.

The previous prime is 87477241. The next prime is 87477307. The reversal of 87477268 is 86277478.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 87272964 + 204304 = 9342^2 + 452^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10934655 + ... + 10934662.

Almost surely, 2^87477268 is an apocalyptic number.

It is an amenable number.

87477268 is a deficient number, since it is larger than the sum of its proper divisors (65607958).

87477268 is a wasteful number, since it uses less digits than its factorization.

87477268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21869321 (or 21869319 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 49.

The square root of 87477268 is about 9352.9283114969. The cubic root of 87477268 is about 443.9135521439.

The spelling of 87477268 in words is "eighty-seven million, four hundred seventy-seven thousand, two hundred sixty-eight".