87407739904 has 33 divisors (see below), whose sum is σ = 174749034967. Its totient is φ = 43699139584.

The previous prime is 87407739901. The next prime is 87407739907. The reversal of 87407739904 is 40993770478.

The square root of 87407739904 is 295648.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (87407739901) and next prime (87407739907).

It is a super-2 number, since 2×87407739904² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87407739901) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9456117 + ... + 9465355.

Almost surely, 2^87407739904 is an apocalyptic number.

87407739904 is the 295648-th square number.

It is an amenable number.

87407739904 is a deficient number, since it is larger than the sum of its proper divisors (87341295063).

87407739904 is an frugal number, since it uses more digits than its factorization.

87407739904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18498 (or 9241 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 58.

The spelling of 87407739904 in words is "eighty-seven billion, four hundred seven million, seven hundred thirty-nine thousand, nine hundred four".