87174364812 has 12 divisors (see below), whose sum is σ = 203406851256. Its totient is φ = 29058121600.

The previous prime is 87174364807. The next prime is 87174364843. The reversal of 87174364812 is 21846347178.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3632265189 + ... + 3632265212.

It is an arithmetic number, because the mean of its divisors is an integer number (16950570938).

Almost surely, 2^87174364812 is an apocalyptic number.

It is an amenable number.

87174364812 is an abundant number, since it is smaller than the sum of its proper divisors (116232486444).

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

87174364812 is a wasteful number, since it uses less digits than its factorization.

87174364812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7264530408 (or 7264530406 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The spelling of 87174364812 in words is "eighty-seven billion, one hundred seventy-four million, three hundred sixty-four thousand, eight hundred twelve".