84560873731 has 12 divisors (see below), whose sum is σ = 91168372888. Its totient is φ = 78398825472.

The previous prime is 84560873729. The next prime is 84560873737. The reversal of 84560873731 is 13737806548.

It is not a de Polignac number, because 84560873731 - 2¹ = 84560873729 is a prime.

It is a super-2 number, since 2×84560873731² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (84560873737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2164206 + ... + 2202931.

Almost surely, 2^84560873731 is an apocalyptic number.

84560873731 is a deficient number, since it is larger than the sum of its proper divisors (6607499157).

84560873731 is a wasteful number, since it uses less digits than its factorization.

84560873731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367238 (or 4367221 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 84560873731 in words is "eighty-four billion, five hundred sixty million, eight hundred seventy-three thousand, seven hundred thirty-one".