909161079 has 4 divisors (see below), whose sum is σ = 1212214776. Its totient is φ = 606107384.

The previous prime is 909161069. The next prime is 909161081. The reversal of 909161079 is 970161909.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 970161909 = 3 ⋅323387303.

It is a cyclic number.

It is not a de Polignac number, because 909161079 - 2²⁰ = 908112503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 909161079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (909161069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151526844 + ... + 151526849.

It is an arithmetic number, because the mean of its divisors is an integer number (303053694).

Almost surely, 2^909161079 is an apocalyptic number.

909161079 is a deficient number, since it is larger than the sum of its proper divisors (303053697).

909161079 is a wasteful number, since it uses less digits than its factorization.

909161079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303053696.

The product of its (nonzero) digits is 30618, while the sum is 42.

The square root of 909161079 is about 30152.2980716230. The cubic root of 909161079 is about 968.7542299142.

The spelling of 909161079 in words is "nine hundred nine million, one hundred sixty-one thousand, seventy-nine".