84765630231 has 18 divisors (see below), whose sum is σ = 130065221312. Its totient is φ = 53186276160.

The previous prime is 84765630217. The next prime is 84765630233. The reversal of 84765630231 is 13203656748.

84765630231 is a `hidden beast` number, since 8 + 4 + 7 + 6 + 5 + 630 + 2 + 3 + 1 = 666.

It is not a de Polignac number, because 84765630231 - 2⁹ = 84765629719 is a prime.

It is a super-2 number, since 2×84765630231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84765630233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16292215 + ... + 16297416.

Almost surely, 2^84765630231 is an apocalyptic number.

84765630231 is a deficient number, since it is larger than the sum of its proper divisors (45299591081).

84765630231 is a wasteful number, since it uses less digits than its factorization.

84765630231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32589671 (or 32589651 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 84765630231 in words is "eighty-four billion, seven hundred sixty-five million, six hundred thirty thousand, two hundred thirty-one".