909680117 has 4 divisors (see below), whose sum is σ = 914706156. Its totient is φ = 904654080.

The previous prime is 909680099. The next prime is 909680131. The reversal of 909680117 is 711086909.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 98227921 + 811452196 = 9911^2 + 28486^2 .

It is a cyclic number.

It is not a de Polignac number, because 909680117 - 2⁶ = 909680053 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 (909680197) 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, 2512748 + ... + 2513109.

It is an arithmetic number, because the mean of its divisors is an integer number (228676539).

Almost surely, 2^909680117 is an apocalyptic number.

It is an amenable number.

909680117 is a deficient number, since it is larger than the sum of its proper divisors (5026039).

909680117 is a wasteful number, since it uses less digits than its factorization.

909680117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5026038.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 909680117 is about 30160.9037828776. The cubic root of 909680117 is about 968.9385480414.

The spelling of 909680117 in words is "nine hundred nine million, six hundred eighty thousand, one hundred seventeen".