87616272 has 80 divisors (see below), whose sum is σ = 234842112. Its totient is φ = 28129920.

The previous prime is 87616253. The next prime is 87616301. The reversal of 87616272 is 27261678.

It is a super-2 number, since 2×87616272² = 15353222238355968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87616272.

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, 159903 + ... + 160449.

Almost surely, 2^87616272 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 87616272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117421056).

87616272 is an abundant number, since it is smaller than the sum of its proper divisors (147225840).

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

87616272 is a wasteful number, since it uses less digits than its factorization.

87616272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 670 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 87616272 is about 9360.3564034710. The cubic root of 87616272 is about 444.1485583557.

The spelling of 87616272 in words is "eighty-seven million, six hundred sixteen thousand, two hundred seventy-two".