853879954 has 4 divisors (see below), whose sum is σ = 1280819934. Its totient is φ = 426939976.

The previous prime is 853879937. The next prime is 853879987. The reversal of 853879954 is 459978358.

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

It can be written as a sum of positive squares in only one way, i.e., 503329225 + 350550729 = 22435^2 + 18723^2 .

It is a super-2 number, since 2×853879954² = 1458221951686084232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213469987 + ... + 213469990.

Almost surely, 2^853879954 is an apocalyptic number.

853879954 is a deficient number, since it is larger than the sum of its proper divisors (426939980).

853879954 is a wasteful number, since it uses less digits than its factorization.

853879954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426939979.

The product of its digits is 10886400, while the sum is 58.

The square root of 853879954 is about 29221.2243754433. The cubic root of 853879954 is about 948.7073662379.

The spelling of 853879954 in words is "eight hundred fifty-three million, eight hundred seventy-nine thousand, nine hundred fifty-four".