970661869 has 8 divisors (see below), whose sum is σ = 1029369600. Its totient is φ = 912133056.

The previous prime is 970661849. The next prime is 970661917. The reversal of 970661869 is 968166079.

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 970661869 - 2²¹ = 968564717 is a prime.

It is a super-2 number, since 2×970661869² = 1884368927861146322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (970661849) 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, 33469 + ... + 55330.

It is an arithmetic number, because the mean of its divisors is an integer number (128671200).

Almost surely, 2^970661869 is an apocalyptic number.

It is an amenable number.

970661869 is a deficient number, since it is larger than the sum of its proper divisors (58707731).

970661869 is a wasteful number, since it uses less digits than its factorization.

970661869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89459.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 970661869 is about 31155.4468592572. The cubic root of 970661869 is about 990.1233968556.

The spelling of 970661869 in words is "nine hundred seventy million, six hundred sixty-one thousand, eight hundred sixty-nine".