879281445 has 16 divisors (see below), whose sum is σ = 1607829120. Its totient is φ = 401957184.

The previous prime is 879281399. The next prime is 879281461. The reversal of 879281445 is 544182978.

It is a happy number.

It is not a de Polignac number, because 879281445 - 2¹⁰ = 879280421 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 879281394 and 879281403.

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 15 ways as a sum of consecutive naturals, for example, 4186950 + ... + 4187159.

It is an arithmetic number, because the mean of its divisors is an integer number (100489320).

Almost surely, 2^879281445 is an apocalyptic number.

It is an amenable number.

879281445 is a deficient number, since it is larger than the sum of its proper divisors (728547675).

879281445 is a wasteful number, since it uses less digits than its factorization.

879281445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8374124.

The product of its digits is 645120, while the sum is 48.

The square root of 879281445 is about 29652.6802329907. The cubic root of 879281445 is about 958.0230747301.

The spelling of 879281445 in words is "eight hundred seventy-nine million, two hundred eighty-one thousand, four hundred forty-five".