86637571614872 has 8 divisors (see below), whose sum is σ = 162445446777900. Its totient is φ = 43318785807432.

The previous prime is 86637571614857. The next prime is 86637571614889. The reversal of 86637571614872 is 27841617573668.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 86637571614796 and 86637571614805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5414848225922 + ... + 5414848225937.

Almost surely, 2^{86637571614872} is an apocalyptic number.

It is an amenable number.

86637571614872 is a deficient number, since it is larger than the sum of its proper divisors (75807875163028).

86637571614872 is a wasteful number, since it uses less digits than its factorization.

86637571614872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10829696451865 (or 10829696451861 counting only the distinct ones).

The product of its digits is 568995840, while the sum is 71.

The spelling of 86637571614872 in words is "eighty-six trillion, six hundred thirty-seven billion, five hundred seventy-one million, six hundred fourteen thousand, eight hundred seventy-two".