84808813864 has 32 divisors (see below), whose sum is σ = 164035706400. Its totient is φ = 41086710720.

The previous prime is 84808813849. The next prime is 84808813883. The reversal of 84808813864 is 46831880848.

It is a super-2 number, since 2×84808813864² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84808813799 and 84808813808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1264234 + ... + 1329625.

It is an arithmetic number, because the mean of its divisors is an integer number (5126115825).

Almost surely, 2^84808813864 is an apocalyptic number.

It is an amenable number.

84808813864 is a deficient number, since it is larger than the sum of its proper divisors (79226892536).

84808813864 is a wasteful number, since it uses less digits than its factorization.

84808813864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593993 (or 2593989 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 58.

The spelling of 84808813864 in words is "eighty-four billion, eight hundred eight million, eight hundred thirteen thousand, eight hundred sixty-four".