877769440 has 24 divisors (see below), whose sum is σ = 2073730680. Its totient is φ = 351107712.

The previous prime is 877769377. The next prime is 877769441. The reversal of 877769440 is 44967778.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (877769441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2742870 + ... + 2743189.

It is an arithmetic number, because the mean of its divisors is an integer number (86405445).

Almost surely, 2^877769440 is an apocalyptic number.

877769440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

877769440 is an abundant number, since it is smaller than the sum of its proper divisors (1195961240).

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

877769440 is a wasteful number, since it uses less digits than its factorization.

877769440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5486074 (or 5486066 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 52.

The square root of 877769440 is about 29627.1740130577. The cubic root of 877769440 is about 957.4736235170.

The spelling of 877769440 in words is "eight hundred seventy-seven million, seven hundred sixty-nine thousand, four hundred forty".