847874942 has 16 divisors (see below), whose sum is σ = 1277337600. Its totient is φ = 422100600.

The previous prime is 847874941. The next prime is 847874947. The reversal of 847874942 is 249478748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847874941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736067 + ... + 737217.

It is an arithmetic number, because the mean of its divisors is an integer number (79833600).

Almost surely, 2^847874942 is an apocalyptic number.

847874942 is a deficient number, since it is larger than the sum of its proper divisors (429462658).

847874942 is a wasteful number, since it uses less digits than its factorization.

847874942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431.

The product of its digits is 3612672, while the sum is 53.

The square root of 847874942 is about 29118.2922232744. The cubic root of 847874942 is about 946.4781666662.

The spelling of 847874942 in words is "eight hundred forty-seven million, eight hundred seventy-four thousand, nine hundred forty-two".