8273790857 has 16 divisors (see below), whose sum is σ = 8794759680. Its totient is φ = 7769731200.

The previous prime is 8273790827. The next prime is 8273790871. The reversal of 8273790857 is 7580973728.

It is a cyclic number.

It is not a de Polignac number, because 8273790857 - 2¹⁰ = 8273789833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8273790817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383048 + ... + 404070.

It is an arithmetic number, because the mean of its divisors is an integer number (549672480).

Almost surely, 2^8273790857 is an apocalyptic number.

It is an amenable number.

8273790857 is a deficient number, since it is larger than the sum of its proper divisors (520968823).

8273790857 is a wasteful number, since it uses less digits than its factorization.

8273790857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21424.

The product of its (nonzero) digits is 5927040, while the sum is 56.

The square root of 8273790857 is about 90960.3806995111. The cubic root of 8273790857 is about 2022.5604606659.

The spelling of 8273790857 in words is "eight billion, two hundred seventy-three million, seven hundred ninety thousand, eight hundred fifty-seven".