877581312 has 88 divisors (see below), whose sum is σ = 2347925376. Its totient is φ = 291422208.

The previous prime is 877581247. The next prime is 877581323. The reversal of 877581312 is 213185778.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1422028 + ... + 1422644.

Almost surely, 2^877581312 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 877581312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1173962688).

877581312 is an abundant number, since it is smaller than the sum of its proper divisors (1470344064).

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

877581312 is a wasteful number, since it uses less digits than its factorization.

877581312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103 (or 1085 counting only the distinct ones).

The product of its digits is 94080, while the sum is 42.

The square root of 877581312 is about 29623.9989197947. The cubic root of 877581312 is about 957.4052150945.

The spelling of 877581312 in words is "eight hundred seventy-seven million, five hundred eighty-one thousand, three hundred twelve".