87469776 has 60 divisors (see below), whose sum is σ = 251425252. Its totient is φ = 28366848.

The previous prime is 87469751. The next prime is 87469843. The reversal of 87469776 is 67796478.

It can be written as a sum of positive squares in 2 ways, for example, as 52186176 + 35283600 = 7224^2 + 5940^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2881 + ... + 13536.

Almost surely, 2^87469776 is an apocalyptic number.

It is an amenable number.

87469776 is an abundant number, since it is smaller than the sum of its proper divisors (163955476).

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

87469776 is a wasteful number, since it uses less digits than its factorization.

87469776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16468 (or 16459 counting only the distinct ones).

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

The square root of 87469776 is about 9352.5277866468. The cubic root of 87469776 is about 443.9008787741.

The spelling of 87469776 in words is "eighty-seven million, four hundred sixty-nine thousand, seven hundred seventy-six".