8664535380 has 24 divisors (see below), whose sum is σ = 24260699232. Its totient is φ = 2310542752.

The previous prime is 8664535307. The next prime is 8664535391. The reversal of 8664535380 is 835354668.

It is a congruent number.

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, 72204402 + ... + 72204521.

It is an arithmetic number, because the mean of its divisors is an integer number (1010862468).

Almost surely, 2^8664535380 is an apocalyptic number.

It is an amenable number.

8664535380 is an abundant number, since it is smaller than the sum of its proper divisors (15596163852).

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

8664535380 is a wasteful number, since it uses less digits than its factorization.

8664535380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144408935 (or 144408933 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The square root of 8664535380 is about 93083.4860756730. The cubic root of 8664535380 is about 2053.9116572369.

The spelling of 8664535380 in words is "eight billion, six hundred sixty-four million, five hundred thirty-five thousand, three hundred eighty".