842797180 has 24 divisors (see below), whose sum is σ = 1780111872. Its totient is φ = 335168832.

The previous prime is 842797177. The next prime is 842797183. The reversal of 842797180 is 81797248.

It is an interprime number because it is at equal distance from previous prime (842797177) and next prime (842797183).

It is a self number, because there is not a number n which added to its sum of digits gives 842797180.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842797183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118332 + ... + 125251.

It is an arithmetic number, because the mean of its divisors is an integer number (74171328).

Almost surely, 2^842797180 is an apocalyptic number.

It is an amenable number.

842797180 is an abundant number, since it is smaller than the sum of its proper divisors (937314692).

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

842797180 is a wasteful number, since it uses less digits than its factorization.

842797180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243765 (or 243763 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 842797180 is about 29030.9693258768. The cubic root of 842797180 is about 944.5849562669.

The spelling of 842797180 in words is "eight hundred forty-two million, seven hundred ninety-seven thousand, one hundred eighty".