871070979 has 12 divisors (see below), whose sum is σ = 1225774536. Its totient is φ = 550149408.

The previous prime is 871070957. The next prime is 871071013. The reversal of 871070979 is 979070178.

It is not a de Polignac number, because 871070979 - 2⁵ = 871070947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (871070929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 401074 + ... + 403239.

It is an arithmetic number, because the mean of its divisors is an integer number (102147878).

Almost surely, 2^871070979 is an apocalyptic number.

871070979 is a deficient number, since it is larger than the sum of its proper divisors (354703557).

871070979 is a wasteful number, since it uses less digits than its factorization.

871070979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804354 (or 804335 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 48.

The square root of 871070979 is about 29513.9116180828. The cubic root of 871070979 is about 955.0318343234.

The spelling of 871070979 in words is "eight hundred seventy-one million, seventy thousand, nine hundred seventy-nine".