853879458 has 8 divisors (see below), whose sum is σ = 1707758928. Its totient is φ = 284626484.

The previous prime is 853879427. The next prime is 853879463. The reversal of 853879458 is 854978358.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

853879458 is an admirable number.

It is a super-2 number, since 2×853879458² = 1458220257588747528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 853879398 and 853879407.

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, 71156616 + ... + 71156627.

It is an arithmetic number, because the mean of its divisors is an integer number (213469866).

Almost surely, 2^853879458 is an apocalyptic number.

853879458 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

853879458 is a wasteful number, since it uses less digits than its factorization.

853879458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142313248.

The product of its digits is 9676800, while the sum is 57.

The square root of 853879458 is about 29221.2158884602. The cubic root of 853879458 is about 948.7071825435.

The spelling of 853879458 in words is "eight hundred fifty-three million, eight hundred seventy-nine thousand, four hundred fifty-eight".