8640000791 has 8 divisors (see below), whose sum is σ = 8715199584. Its totient is φ = 8565104160.

The previous prime is 8640000779. The next prime is 8640000833. The reversal of 8640000791 is 1970000468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8640000791 - 2³⁰ = 7566258967 is a prime.

It is a super-2 number, since 2×8640000791² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8640000091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17915 + ... + 132668.

It is an arithmetic number, because the mean of its divisors is an integer number (1089399948).

Almost surely, 2^8640000791 is an apocalyptic number.

8640000791 is a deficient number, since it is larger than the sum of its proper divisors (75198793).

8640000791 is a wasteful number, since it uses less digits than its factorization.

8640000791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151081.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 8640000791 is about 92951.6045638804. The cubic root of 8640000791 is about 2051.9711986320.

The spelling of 8640000791 in words is "eight billion, six hundred forty million, seven hundred ninety-one", and thus it is an aban number.