84322758918 has 32 divisors (see below), whose sum is σ = 174478548960. Its totient is φ = 27135610880.

The previous prime is 84322758911. The next prime is 84322758959. The reversal of 84322758918 is 81985722348.

It is a super-2 number, since 2×84322758918² (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 (84322758911) 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, 2365588 + ... + 2400968.

It is an arithmetic number, because the mean of its divisors is an integer number (5452454655).

Almost surely, 2^84322758918 is an apocalyptic number.

84322758918 is an abundant number, since it is smaller than the sum of its proper divisors (90155790042).

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

84322758918 is a wasteful number, since it uses less digits than its factorization.

84322758918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49112.

The product of its digits is 7741440, while the sum is 57.

The spelling of 84322758918 in words is "eighty-four billion, three hundred twenty-two million, seven hundred fifty-eight thousand, nine hundred eighteen".