84672590679 has 32 divisors (see below), whose sum is σ = 132070118400. Its totient is φ = 53466454080.

The previous prime is 84672590671. The next prime is 84672590687. The reversal of 84672590679 is 97609527648.

84672590679 is a `hidden beast` number, since 8 + 467 + 25 + 90 + 67 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (84672590671) and next prime (84672590687).

It is not a de Polignac number, because 84672590679 - 2³ = 84672590671 is a prime.

It is a super-2 number, since 2×84672590679² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84672590671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3014259 + ... + 3042219.

It is an arithmetic number, because the mean of its divisors is an integer number (4127191200).

Almost surely, 2^84672590679 is an apocalyptic number.

84672590679 is a deficient number, since it is larger than the sum of its proper divisors (47397527721).

84672590679 is a wasteful number, since it uses less digits than its factorization.

84672590679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33892 (or 33886 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 84672590679 in words is "eighty-four billion, six hundred seventy-two million, five hundred ninety thousand, six hundred seventy-nine".