72386856411 has 16 divisors (see below), whose sum is σ = 96780021120. Its totient is φ = 48125868480.

The previous prime is 72386856371. The next prime is 72386856457. The reversal of 72386856411 is 11465868327.

It is a de Polignac number, because none of the positive numbers 2^k-72386856411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72386856461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5788876 + ... + 5801366.

It is an arithmetic number, because the mean of its divisors is an integer number (6048751320).

Almost surely, 2^72386856411 is an apocalyptic number.

72386856411 is a deficient number, since it is larger than the sum of its proper divisors (24393164709).

72386856411 is a wasteful number, since it uses less digits than its factorization.

72386856411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17626.

The product of its digits is 1935360, while the sum is 51.

The spelling of 72386856411 in words is "seventy-two billion, three hundred eighty-six million, eight hundred fifty-six thousand, four hundred eleven".