877421013 has 32 divisors (see below), whose sum is σ = 1391769600. Its totient is φ = 481070016.

The previous prime is 877420987. The next prime is 877421047. The reversal of 877421013 is 310124778.

It is a happy number.

It is not a de Polignac number, because 877421013 - 2⁸ = 877420757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (877421113) 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, 94848 + ... + 103686.

It is an arithmetic number, because the mean of its divisors is an integer number (43492800).

Almost surely, 2^877421013 is an apocalyptic number.

It is an amenable number.

877421013 is a deficient number, since it is larger than the sum of its proper divisors (514348587).

877421013 is a wasteful number, since it uses less digits than its factorization.

877421013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9041.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 877421013 is about 29621.2932364541. The cubic root of 877421013 is about 957.3469183336.

The spelling of 877421013 in words is "eight hundred seventy-seven million, four hundred twenty-one thousand, thirteen".