87917583424 has 112 divisors (see below), whose sum is σ = 193117988160. Its totient is φ = 39378493440.

The previous prime is 87917583319. The next prime is 87917583431. The reversal of 87917583424 is 42438571978.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19609087 + ... + 19613569.

Almost surely, 2^87917583424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87917583424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96558994080).

87917583424 is an abundant number, since it is smaller than the sum of its proper divisors (105200404736).

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

87917583424 is a wasteful number, since it uses less digits than its factorization.

87917583424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4908 (or 4898 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 58.

The spelling of 87917583424 in words is "eighty-seven billion, nine hundred seventeen million, five hundred eighty-three thousand, four hundred twenty-four".