7864087264 has 48 divisors (see below), whose sum is σ = 16897080816. Its totient is φ = 3573068800.

The previous prime is 7864087199. The next prime is 7864087277. The reversal of 7864087264 is 4627804687.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545204 + ... + 1550284.

It is an arithmetic number, because the mean of its divisors is an integer number (352022517).

Almost surely, 2^7864087264 is an apocalyptic number.

It is an amenable number.

7864087264 is an abundant number, since it is smaller than the sum of its proper divisors (9032993552).

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

7864087264 is a wasteful number, since it uses less digits than its factorization.

7864087264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9499 (or 9491 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 52.

The square root of 7864087264 is about 88679.6891289093. The cubic root of 7864087264 is about 1988.6091865145.

The spelling of 7864087264 in words is "seven billion, eight hundred sixty-four million, eighty-seven thousand, two hundred sixty-four".