879605643 has 8 divisors (see below), whose sum is σ = 1340351488. Its totient is φ = 502631784.

The previous prime is 879605609. The next prime is 879605659. The reversal of 879605643 is 346506978.

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

It is not a de Polignac number, because 879605643 - 2⁶ = 879605579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 879605592 and 879605601.

It is not an unprimeable number, because it can be changed into a prime (879601643) 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, 20942971 + ... + 20943012.

It is an arithmetic number, because the mean of its divisors is an integer number (167543936).

Almost surely, 2^879605643 is an apocalyptic number.

879605643 is a deficient number, since it is larger than the sum of its proper divisors (460745845).

879605643 is a wasteful number, since it uses less digits than its factorization.

879605643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41885993.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 879605643 is about 29658.1463176646. The cubic root of 879605643 is about 958.1408038153.

The spelling of 879605643 in words is "eight hundred seventy-nine million, six hundred five thousand, six hundred forty-three".