84179218676 has 12 divisors (see below), whose sum is σ = 168358437408. Its totient is φ = 36076807992.

The previous prime is 84179218661. The next prime is 84179218679. The reversal of 84179218676 is 67681297148.

84179218676 is an admirable number.

It is a super-2 number, since 2×84179218676² (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 (84179218679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1503200306 + ... + 1503200361.

It is an arithmetic number, because the mean of its divisors is an integer number (14029869784).

Almost surely, 2^84179218676 is an apocalyptic number.

It is an amenable number.

84179218676 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84179218676 is a wasteful number, since it uses less digits than its factorization.

84179218676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006400678 (or 3006400676 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 59.

The spelling of 84179218676 in words is "eighty-four billion, one hundred seventy-nine million, two hundred eighteen thousand, six hundred seventy-six".