879026421 has 32 divisors (see below), whose sum is σ = 1489051648. Its totient is φ = 448701120.

The previous prime is 879026371. The next prime is 879026437. The reversal of 879026421 is 124620978.

879026421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 879026421 - 2¹⁰ = 879025397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 879026421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879026441) 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, 43471 + ... + 60396.

It is an arithmetic number, because the mean of its divisors is an integer number (46532864).

Almost surely, 2^879026421 is an apocalyptic number.

It is an amenable number.

879026421 is a deficient number, since it is larger than the sum of its proper divisors (610025227).

879026421 is a wasteful number, since it uses less digits than its factorization.

879026421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103921.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 879026421 is about 29648.3797365050. The cubic root of 879026421 is about 957.9304451167.

The spelling of 879026421 in words is "eight hundred seventy-nine million, twenty-six thousand, four hundred twenty-one".