853878904 has 8 divisors (see below), whose sum is σ = 1601022960. Its totient is φ = 426939448.

The previous prime is 853878901. The next prime is 853878913. The reversal of 853878904 is 409878358.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853878901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53367424 + ... + 53367439.

It is an arithmetic number, because the mean of its divisors is an integer number (200127870).

Almost surely, 2^853878904 is an apocalyptic number.

It is an amenable number.

853878904 is a deficient number, since it is larger than the sum of its proper divisors (747144056).

853878904 is a wasteful number, since it uses less digits than its factorization.

853878904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106734869 (or 106734865 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The square root of 853878904 is about 29221.2064090448. The cubic root of 853878904 is about 948.7069773686.

The spelling of 853878904 in words is "eight hundred fifty-three million, eight hundred seventy-eight thousand, nine hundred four".