864916875971 has 8 divisors (see below), whose sum is σ = 888945736224. Its totient is φ = 840922369920.

The previous prime is 864916875943. The next prime is 864916876003. The reversal of 864916875971 is 179578619468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 864916875971 - 2²² = 864912681667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 864916875895 and 864916875904.

It is not an unprimeable number, because it can be changed into a prime (864916875071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8537495 + ... + 8638208.

It is an arithmetic number, because the mean of its divisors is an integer number (111118217028).

Almost surely, 2^864916875971 is an apocalyptic number.

864916875971 is a deficient number, since it is larger than the sum of its proper divisors (24028860253).

864916875971 is a wasteful number, since it uses less digits than its factorization.

864916875971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17177101.

The product of its digits is 182891520, while the sum is 71.

The spelling of 864916875971 in words is "eight hundred sixty-four billion, nine hundred sixteen million, eight hundred seventy-five thousand, nine hundred seventy-one".