879668971 has 4 divisors (see below), whose sum is σ = 917915472. Its totient is φ = 841422472.

The previous prime is 879668963. The next prime is 879669001. The reversal of 879668971 is 179866978.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 179866978 = 2 ⋅89933489.

It is a cyclic number.

It is not a de Polignac number, because 879668971 - 2³ = 879668963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (879668941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19123216 + ... + 19123261.

It is an arithmetic number, because the mean of its divisors is an integer number (229478868).

Almost surely, 2^879668971 is an apocalyptic number.

879668971 is a deficient number, since it is larger than the sum of its proper divisors (38246501).

879668971 is a wasteful number, since it uses less digits than its factorization.

879668971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38246500.

The product of its digits is 9144576, while the sum is 61.

The square root of 879668971 is about 29659.2139309187. The cubic root of 879668971 is about 958.1637973333.

The spelling of 879668971 in words is "eight hundred seventy-nine million, six hundred sixty-eight thousand, nine hundred seventy-one".