864197746916 has 48 divisors (see below), whose sum is σ = 1751292990720. Its totient is φ = 365480417280.

The previous prime is 864197746913. The next prime is 864197746921. The reversal of 864197746916 is 619647791468.

It is a super-2 number, since 2×864197746916² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (864197746913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 908756 + ... + 1598196.

It is an arithmetic number, because the mean of its divisors is an integer number (36485270640).

Almost surely, 2^864197746916 is an apocalyptic number.

It is an amenable number.

864197746916 is an abundant number, since it is smaller than the sum of its proper divisors (887095243804).

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

864197746916 is a wasteful number, since it uses less digits than its factorization.

864197746916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690044 (or 690042 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 68.

The spelling of 864197746916 in words is "eight hundred sixty-four billion, one hundred ninety-seven million, seven hundred forty-six thousand, nine hundred sixteen".