87574819716 has 18 divisors (see below), whose sum is σ = 221369683262. Its totient is φ = 29191606560.

The previous prime is 87574819691. The next prime is 87574819751. The reversal of 87574819716 is 61791847578.

87574819716 is a `hidden beast` number, since 8 + 7 + 57 + 481 + 97 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 85788066816 + 1786752900 = 292896^2 + 42270^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1216316905 + ... + 1216316976.

Almost surely, 2^87574819716 is an apocalyptic number.

It is an amenable number.

87574819716 is an abundant number, since it is smaller than the sum of its proper divisors (133794863546).

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

87574819716 is a wasteful number, since it uses less digits than its factorization.

87574819716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2432633891 (or 2432633886 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 63.

The spelling of 87574819716 in words is "eighty-seven billion, five hundred seventy-four million, eight hundred nineteen thousand, seven hundred sixteen".