970668665 has 8 divisors (see below), whose sum is σ = 1165382088. Its totient is φ = 776148480.

The previous prime is 970668641. The next prime is 970668707. The reversal of 970668665 is 566866079.

It can be written as a sum of positive squares in 4 ways, for example, as 34798201 + 935870464 = 5899^2 + 30592^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 970668665 - 2²⁰ = 969620089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 37016 + ... + 57545.

It is an arithmetic number, because the mean of its divisors is an integer number (145672761).

Almost surely, 2^970668665 is an apocalyptic number.

It is an amenable number.

970668665 is a deficient number, since it is larger than the sum of its proper divisors (194713423).

970668665 is a wasteful number, since it uses less digits than its factorization.

970668665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96619.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The square root of 970668665 is about 31155.5559250674. Note that the first 3 decimals coincide. The cubic root of 970668665 is about 990.1257076029.

The spelling of 970668665 in words is "nine hundred seventy million, six hundred sixty-eight thousand, six hundred sixty-five".