847164942 has 48 divisors (see below), whose sum is σ = 2018802240. Its totient is φ = 255116736.

The previous prime is 847164853. The next prime is 847164943. The reversal of 847164942 is 249461748.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847164943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27517 + ... + 49512.

It is an arithmetic number, because the mean of its divisors is an integer number (42058380).

Almost surely, 2^847164942 is an apocalyptic number.

847164942 is an abundant number, since it is smaller than the sum of its proper divisors (1171637298).

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

847164942 is a wasteful number, since it uses less digits than its factorization.

847164942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77097 (or 77094 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 847164942 is about 29106.0980208615. The cubic root of 847164942 is about 946.2139031815.

The spelling of 847164942 in words is "eight hundred forty-seven million, one hundred sixty-four thousand, nine hundred forty-two".