84918948064 has 24 divisors (see below), whose sum is σ = 168839474328. Its totient is φ = 42039081600.

The previous prime is 84918948041. The next prime is 84918948073. The reversal of 84918948064 is 46084981948.

It is a super-2 number, since 2×84918948064² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84918947993 and 84918948011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13133982 + ... + 13140445.

It is an arithmetic number, because the mean of its divisors is an integer number (7034978097).

Almost surely, 2^84918948064 is an apocalyptic number.

It is an amenable number.

84918948064 is a deficient number, since it is larger than the sum of its proper divisors (83920526264).

84918948064 is a wasteful number, since it uses less digits than its factorization.

84918948064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26274538 (or 26274530 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 61.

The spelling of 84918948064 in words is "eighty-four billion, nine hundred eighteen million, nine hundred forty-eight thousand, sixty-four".