87311105316 has 36 divisors (see below), whose sum is σ = 220714718224. Its totient is φ = 29102166000.

The previous prime is 87311105309. The next prime is 87311105353. The reversal of 87311105316 is 61350111378.

87311105316 is a `hidden beast` number, since 8 + 7 + 3 + 1 + 110 + 531 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×87311105316² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 780291 + ... + 885141.

Almost surely, 2^87311105316 is an apocalyptic number.

It is an amenable number.

87311105316 is an abundant number, since it is smaller than the sum of its proper divisors (133403612908).

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

87311105316 is a wasteful number, since it uses less digits than its factorization.

87311105316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127992 (or 127987 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 87311105316 in words is "eighty-seven billion, three hundred eleven million, one hundred five thousand, three hundred sixteen".