872739788 has 12 divisors (see below), whose sum is σ = 1542417072. Its totient is φ = 432049200.

The previous prime is 872739689. The next prime is 872739797. The reversal of 872739788 is 887937278.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1079720 + ... + 1080527.

It is an arithmetic number, because the mean of its divisors is an integer number (128534756).

Almost surely, 2^872739788 is an apocalyptic number.

It is an amenable number.

872739788 is a deficient number, since it is larger than the sum of its proper divisors (669677284).

872739788 is a wasteful number, since it uses less digits than its factorization.

872739788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160352 (or 2160350 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 59.

The square root of 872739788 is about 29542.1696562727. The cubic root of 872739788 is about 955.6413326900.

The spelling of 872739788 in words is "eight hundred seventy-two million, seven hundred thirty-nine thousand, seven hundred eighty-eight".