879454420 has 24 divisors (see below), whose sum is σ = 1988920584. Its totient is φ = 324721536.

The previous prime is 879454417. The next prime is 879454439. The reversal of 879454420 is 24454978.

879454420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 66292164 + 813162256 = 8142^2 + 28516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1690999 + ... + 1691518.

It is an arithmetic number, because the mean of its divisors is an integer number (82871691).

Almost surely, 2^879454420 is an apocalyptic number.

It is an amenable number.

879454420 is an abundant number, since it is smaller than the sum of its proper divisors (1109466164).

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

879454420 is a wasteful number, since it uses less digits than its factorization.

879454420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382539 (or 3382537 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 879454420 is about 29655.5967736277. The cubic root of 879454420 is about 958.0858923777.

The spelling of 879454420 in words is "eight hundred seventy-nine million, four hundred fifty-four thousand, four hundred twenty".