879657389 has 8 divisors (see below), whose sum is σ = 956522112. Its totient is φ = 804106800.

The previous prime is 879657371. The next prime is 879657413. The reversal of 879657389 is 983756978.

879657389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 879657389 - 2²⁰ = 878608813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879657329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327137 + ... + 329814.

It is an arithmetic number, because the mean of its divisors is an integer number (119565264).

Almost surely, 2^879657389 is an apocalyptic number.

It is an amenable number.

879657389 is a deficient number, since it is larger than the sum of its proper divisors (76864723).

879657389 is a wasteful number, since it uses less digits than its factorization.

879657389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657067.

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

The square root of 879657389 is about 29659.0186789786. The cubic root of 879657389 is about 958.1595921523.

The spelling of 879657389 in words is "eight hundred seventy-nine million, six hundred fifty-seven thousand, three hundred eighty-nine".