8664733965 has 32 divisors (see below), whose sum is σ = 13974681600. Its totient is φ = 4584283200.

The previous prime is 8664733939. The next prime is 8664733967. The reversal of 8664733965 is 5693374668.

It is not a de Polignac number, because 8664733965 - 2⁶ = 8664733901 is a prime.

It is a super-2 number, since 2×8664733965² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8664733967) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1175040 + ... + 1182390.

It is an arithmetic number, because the mean of its divisors is an integer number (436708800).

Almost surely, 2^8664733965 is an apocalyptic number.

It is an amenable number.

8664733965 is a deficient number, since it is larger than the sum of its proper divisors (5309947635).

8664733965 is a wasteful number, since it uses less digits than its factorization.

8664733965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7977.

The product of its digits is 19595520, while the sum is 57.

The square root of 8664733965 is about 93084.5527732717. The cubic root of 8664733965 is about 2053.9273485161.

The spelling of 8664733965 in words is "eight billion, six hundred sixty-four million, seven hundred thirty-three thousand, nine hundred sixty-five".