877884056 has 128 divisors (see below), whose sum is σ = 2139264000. Its totient is φ = 328914432.

The previous prime is 877884053. The next prime is 877884067. The reversal of 877884056 is 650488778.

It is a happy number.

It is a super-2 number, since 2×877884056² = 1541360831558022272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 877883989 and 877884007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (877884053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 709070 + ... + 710306.

It is an arithmetic number, because the mean of its divisors is an integer number (16713000).

Almost surely, 2^877884056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 877884056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1069632000).

877884056 is an abundant number, since it is smaller than the sum of its proper divisors (1261379944).

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

877884056 is a wasteful number, since it uses less digits than its factorization.

877884056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321 (or 1317 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 53.

The square root of 877884056 is about 29629.1082552277. The cubic root of 877884056 is about 957.5152961991.

The spelling of 877884056 in words is "eight hundred seventy-seven million, eight hundred eighty-four thousand, fifty-six".