877421880 has 96 divisors (see below), whose sum is σ = 2917989360. Its totient is φ = 228533760.

The previous prime is 877421879. The next prime is 877421893. The reversal of 877421880 is 88124778.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 12861 + ... + 43820.

Almost surely, 2^877421880 is an apocalyptic number.

It is an amenable number.

877421880 is an abundant number, since it is smaller than the sum of its proper divisors (2040567480).

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

877421880 is a wasteful number, since it uses less digits than its factorization.

877421880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56741 (or 56734 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 45.

The square root of 877421880 is about 29621.3078711930. The cubic root of 877421880 is about 957.3472336590.

The spelling of 877421880 in words is "eight hundred seventy-seven million, four hundred twenty-one thousand, eight hundred eighty".