879044746557 has 8 divisors (see below), whose sum is σ = 1209868038400. Its totient is φ = 567125642880.

The previous prime is 879044746543. The next prime is 879044746579. The reversal of 879044746557 is 755647440978.

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

It is not a de Polignac number, because 879044746557 - 2⁶ = 879044746493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879044746057) 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, 4726046932 + ... + 4726047117.

It is an arithmetic number, because the mean of its divisors is an integer number (151233504800).

Almost surely, 2^879044746557 is an apocalyptic number.

It is an amenable number.

879044746557 is a deficient number, since it is larger than the sum of its proper divisors (330823291843).

879044746557 is a wasteful number, since it uses less digits than its factorization.

879044746557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9452094083.

The product of its (nonzero) digits is 237081600, while the sum is 66.

The spelling of 879044746557 in words is "eight hundred seventy-nine billion, forty-four million, seven hundred forty-six thousand, five hundred fifty-seven".