87112341904 has 135 divisors (see below), whose sum is σ = 200307227787. Its totient is φ = 36593629632.

The previous prime is 87112341721. The next prime is 87112341949. The reversal of 87112341904 is 40914321178.

The square root of 87112341904 is 295148.

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

It is a super-2 number, since 2×87112341904² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 685923889 + ... + 685924015.

Almost surely, 2^87112341904 is an apocalyptic number.

87112341904 is the 295148-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87112341904

87112341904 is an abundant number, since it is smaller than the sum of its proper divisors (113194885883).

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

87112341904 is an equidigital number, since it uses as much as digits as its factorization.

87112341904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 87112341904 in words is "eighty-seven billion, one hundred twelve million, three hundred forty-one thousand, nine hundred four".