853078057 has 16 divisors (see below), whose sum is σ = 951505408. Its totient is φ = 759507840.

The previous prime is 853078049. The next prime is 853078087. The reversal of 853078057 is 750870358.

It is not a de Polignac number, because 853078057 - 2³ = 853078049 is a prime.

It is the 29208-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853078087) by changing a digit.

It is a nontrivial repunit in base 29207.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122758 + ... + 129520.

It is an arithmetic number, because the mean of its divisors is an integer number (59469088).

Almost surely, 2^853078057 is an apocalyptic number.

It is an amenable number.

853078057 is a deficient number, since it is larger than the sum of its proper divisors (98427351).

853078057 is a wasteful number, since it uses less digits than its factorization.

853078057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7120.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 853078057 is about 29207.5000128392. The cubic root of 853078057 is about 948.4102894017.

The spelling of 853078057 in words is "eight hundred fifty-three million, seventy-eight thousand, fifty-seven".