970887161 has 2 divisors, whose sum is σ = 970887162. Its totient is φ = 970887160.

The previous prime is 970887097. The next prime is 970887179. The reversal of 970887161 is 161788079.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 866949136 + 103938025 = 29444^2 + 10195^2 .

It is a cyclic number.

It is not a de Polignac number, because 970887161 - 2⁶ = 970887097 is a prime.

It is not a weakly prime, because it can be changed into another prime (970887191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485443580 + 485443581.

It is an arithmetic number, because the mean of its divisors is an integer number (485443581).

Almost surely, 2^970887161 is an apocalyptic number.

It is an amenable number.

970887161 is a deficient number, since it is larger than the sum of its proper divisors (1).

970887161 is an equidigital number, since it uses as much as digits as its factorization.

970887161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 47.

The square root of 970887161 is about 31159.0622612427. The cubic root of 970887161 is about 990.1999939459.

It can be divided in two parts, 9708 and 87161, that added together give a palindrome (96869).

The spelling of 970887161 in words is "nine hundred seventy million, eight hundred eighty-seven thousand, one hundred sixty-one".