879563897 has 4 divisors (see below), whose sum is σ = 879672576. Its totient is φ = 879455220.

The previous prime is 879563887. The next prime is 879563911. The reversal of 879563897 is 798365978.

879563897 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 a de Polignac number, because none of the positive numbers 2^k-879563897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (879563807) 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, 41129 + ... + 58742.

It is an arithmetic number, because the mean of its divisors is an integer number (219918144).

Almost surely, 2^879563897 is an apocalyptic number.

It is an amenable number.

879563897 is a deficient number, since it is larger than the sum of its proper divisors (108679).

879563897 is an equidigital number, since it uses as much as digits as its factorization.

879563897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108678.

The product of its digits is 22861440, while the sum is 62.

The square root of 879563897 is about 29657.4425229149. The cubic root of 879563897 is about 958.1256458184.

The spelling of 879563897 in words is "eight hundred seventy-nine million, five hundred sixty-three thousand, eight hundred ninety-seven".