877808768 has 16 divisors (see below), whose sum is σ = 1748759910. Its totient is φ = 438904320.

The previous prime is 877808749. The next prime is 877808779. The reversal of 877808768 is 867808778.

It can be written as a sum of positive squares in only one way, i.e., 842857024 + 34951744 = 29032^2 + 5912^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3428813 + ... + 3429068.

Almost surely, 2^877808768 is an apocalyptic number.

It is an amenable number.

877808768 is a deficient number, since it is larger than the sum of its proper divisors (870951142).

877808768 is an equidigital number, since it uses as much as digits as its factorization.

877808768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6857895 (or 6857883 counting only the distinct ones).

The product of its (nonzero) digits is 8429568, while the sum is 59.

The square root of 877808768 is about 29627.8377206302. The cubic root of 877808768 is about 957.4879230048.

The spelling of 877808768 in words is "eight hundred seventy-seven million, eight hundred eight thousand, seven hundred sixty-eight".