870670079 has 8 divisors (see below), whose sum is σ = 970406640. Its totient is φ = 776324736.

The previous prime is 870670057. The next prime is 870670081. The reversal of 870670079 is 970076078.

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 870670079 - 2²⁰ = 869621503 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 (870670039) 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, 1347464 + ... + 1348109.

It is an arithmetic number, because the mean of its divisors is an integer number (121300830).

Almost surely, 2^870670079 is an apocalyptic number.

870670079 is a deficient number, since it is larger than the sum of its proper divisors (99736561).

870670079 is a wasteful number, since it uses less digits than its factorization.

870670079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695609.

The product of its (nonzero) digits is 148176, while the sum is 44.

The square root of 870670079 is about 29507.1191240351. The cubic root of 870670079 is about 954.8852978474.

The spelling of 870670079 in words is "eight hundred seventy million, six hundred seventy thousand, seventy-nine".