856952795 has 4 divisors (see below), whose sum is σ = 1028343360. Its totient is φ = 685562232.

The previous prime is 856952749. The next prime is 856952821. The reversal of 856952795 is 597259658.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 856952795 - 2⁸ = 856952539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 856952795.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85695275 + ... + 85695284.

It is an arithmetic number, because the mean of its divisors is an integer number (257085840).

Almost surely, 2^856952795 is an apocalyptic number.

856952795 is a deficient number, since it is larger than the sum of its proper divisors (171390565).

856952795 is a wasteful number, since it uses less digits than its factorization.

856952795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171390564.

The product of its digits is 6804000, while the sum is 56.

The square root of 856952795 is about 29273.7560794648. The cubic root of 856952795 is about 949.8440353380.

The spelling of 856952795 in words is "eight hundred fifty-six million, nine hundred fifty-two thousand, seven hundred ninety-five".