8864347434564 has 96 divisors (see below), whose sum is σ = 21802646880000. Its totient is φ = 2798778318336.

The previous prime is 8864347434541. The next prime is 8864347434581. The reversal of 8864347434564 is 4654347434688.

It is a super-2 number, since 2×8864347434564² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8864347434495 and 8864347434504.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247113222 + ... + 247149090.

It is an arithmetic number, because the mean of its divisors is an integer number (227110905000).

Almost surely, 2^{8864347434564} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8864347434564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10901323440000).

8864347434564 is an abundant number, since it is smaller than the sum of its proper divisors (12938299445436).

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

8864347434564 is a wasteful number, since it uses less digits than its factorization.

8864347434564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49357 (or 49355 counting only the distinct ones).

The product of its digits is 743178240, while the sum is 66.

The spelling of 8864347434564 in words is "eight trillion, eight hundred sixty-four billion, three hundred forty-seven million, four hundred thirty-four thousand, five hundred sixty-four".