8840064577 has 16 divisors (see below), whose sum is σ = 9314596800. Its totient is φ = 8377306560.

The previous prime is 8840064553. The next prime is 8840064581. The reversal of 8840064577 is 7754600488.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-8840064577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8840064577.

It is not an unprimeable number, because it can be changed into a prime (8840064587) 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, 1178563 + ... + 1186039.

It is an arithmetic number, because the mean of its divisors is an integer number (582162300).

Almost surely, 2^8840064577 is an apocalyptic number.

It is an amenable number.

8840064577 is a deficient number, since it is larger than the sum of its proper divisors (474532223).

8840064577 is a wasteful number, since it uses less digits than its factorization.

8840064577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8256.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The square root of 8840064577 is about 94021.6176046764. The cubic root of 8840064577 is about 2067.6886596888.

The spelling of 8840064577 in words is "eight billion, eight hundred forty million, sixty-four thousand, five hundred seventy-seven".