872777948 has 24 divisors (see below), whose sum is σ = 1746632832. Its totient is φ = 373816944.

The previous prime is 872777929. The next prime is 872777957. The reversal of 872777948 is 849777278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41315 + ... + 58757.

It is an arithmetic number, because the mean of its divisors is an integer number (72776368).

Almost surely, 2^872777948 is an apocalyptic number.

It is an amenable number.

872777948 is an abundant number, since it is smaller than the sum of its proper divisors (873854884).

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

872777948 is a wasteful number, since it uses less digits than its factorization.

872777948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19241 (or 19239 counting only the distinct ones).

The product of its digits is 11063808, while the sum is 59.

The square root of 872777948 is about 29542.8155056352. The cubic root of 872777948 is about 955.6552607597.

The spelling of 872777948 in words is "eight hundred seventy-two million, seven hundred seventy-seven thousand, nine hundred forty-eight".