86221882578844 has 18 divisors (see below), whose sum is σ = 157733888218760. Its totient is φ = 41236552536696.

The previous prime is 86221882578827. The next prime is 86221882578851. The reversal of 86221882578844 is 44887528812268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20373788664 + ... + 20373792895.

Almost surely, 2^{86221882578844} is an apocalyptic number.

It is an amenable number.

86221882578844 is a deficient number, since it is larger than the sum of its proper divisors (71512005639916).

86221882578844 is a wasteful number, since it uses less digits than its factorization.

86221882578844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40747581609 (or 40747581584 counting only the distinct ones).

The product of its digits is 880803840, while the sum is 73.

The spelling of 86221882578844 in words is "eighty-six trillion, two hundred twenty-one billion, eight hundred eighty-two million, five hundred seventy-eight thousand, eight hundred forty-four".