879370081 has 4 divisors (see below), whose sum is σ = 899820592. Its totient is φ = 858919572.

The previous prime is 879370049. The next prime is 879370099. The reversal of 879370081 is 180073978.

879370081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 879370081 - 2⁵ = 879370049 is a prime.

It is a super-2 number, since 2×879370081² = 1546583478715893122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 20450467 = 879370081 / (8 + 7 + 9 + 3 + 7 + 0 + 0 + 8 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (879370001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10225191 + ... + 10225276.

It is an arithmetic number, because the mean of its divisors is an integer number (224955148).

Almost surely, 2^879370081 is an apocalyptic number.

It is an amenable number.

879370081 is a deficient number, since it is larger than the sum of its proper divisors (20450511).

879370081 is a wasteful number, since it uses less digits than its factorization.

879370081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20450510.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 879370081 is about 29654.1747651153. The cubic root of 879370081 is about 958.0552648328.

The spelling of 879370081 in words is "eight hundred seventy-nine million, three hundred seventy thousand, eighty-one".