7864500873 has 8 divisors (see below), whose sum is σ = 10494091168. Its totient is φ = 5238955584.

The previous prime is 7864500857. The next prime is 7864500899. The reversal of 7864500873 is 3780054687.

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

It is not a de Polignac number, because 7864500873 - 2⁴ = 7864500857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7864500473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006711 + ... + 1014492.

It is an arithmetic number, because the mean of its divisors is an integer number (1311761396).

Almost surely, 2^7864500873 is an apocalyptic number.

It is an amenable number.

7864500873 is a deficient number, since it is larger than the sum of its proper divisors (2629590295).

7864500873 is a wasteful number, since it uses less digits than its factorization.

7864500873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022503.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 7864500873 is about 88682.0211373196. The cubic root of 7864500873 is about 1988.6440493117.

The spelling of 7864500873 in words is "seven billion, eight hundred sixty-four million, five hundred thousand, eight hundred seventy-three".