853120818 has 24 divisors (see below), whose sum is σ = 2016467856. Its totient is φ = 258521400.

The previous prime is 853120789. The next prime is 853120819. The reversal of 853120818 is 818021358.

It is not an unprimeable number, because it can be changed into a prime (853120819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2154148 + ... + 2154543.

It is an arithmetic number, because the mean of its divisors is an integer number (84019494).

Almost surely, 2^853120818 is an apocalyptic number.

853120818 is an abundant number, since it is smaller than the sum of its proper divisors (1163347038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

853120818 is a wasteful number, since it uses less digits than its factorization.

853120818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308710 (or 4308707 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 853120818 is about 29208.2320245509. The cubic root of 853120818 is about 948.4261356635.

The spelling of 853120818 in words is "eight hundred fifty-three million, one hundred twenty thousand, eight hundred eighteen".