872797084 has 24 divisors (see below), whose sum is σ = 1546696368. Its totient is φ = 430913280.

The previous prime is 872797043. The next prime is 872797087. The reversal of 872797084 is 480797278.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872797087) 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, 121719 + ... + 128689.

It is an arithmetic number, because the mean of its divisors is an integer number (64445682).

Almost surely, 2^872797084 is an apocalyptic number.

It is an amenable number.

872797084 is a deficient number, since it is larger than the sum of its proper divisors (673899284).

872797084 is a wasteful number, since it uses less digits than its factorization.

872797084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7365 (or 7363 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 52.

The square root of 872797084 is about 29543.1393727884. The cubic root of 872797084 is about 955.6622450812.

The spelling of 872797084 in words is "eight hundred seventy-two million, seven hundred ninety-seven thousand, eighty-four".