7959464857 has 4 divisors (see below), whose sum is σ = 8378384080. Its totient is φ = 7540545636.

The previous prime is 7959464839. The next prime is 7959464873. The reversal of 7959464857 is 7584649597.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7959464857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7959464897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209459583 + ... + 209459620.

It is an arithmetic number, because the mean of its divisors is an integer number (2094596020).

Almost surely, 2^7959464857 is an apocalyptic number.

It is an amenable number.

7959464857 is a deficient number, since it is larger than the sum of its proper divisors (418919223).

7959464857 is a wasteful number, since it uses less digits than its factorization.

7959464857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418919222.

The product of its digits is 76204800, while the sum is 64.

The square root of 7959464857 is about 89215.8329950463. The cubic root of 7959464857 is about 1996.6163501017.

The spelling of 7959464857 in words is "seven billion, nine hundred fifty-nine million, four hundred sixty-four thousand, eight hundred fifty-seven".