970009885 has 16 divisors (see below), whose sum is σ = 1327291056. Its totient is φ = 674178048.

The previous prime is 970009883. The next prime is 970009897. The reversal of 970009885 is 588900079.

It can be written as a sum of positive squares in 8 ways, for example, as 227828836 + 742181049 = 15094^2 + 27243^2 .

It is a cyclic number.

It is not a de Polignac number, because 970009885 - 2¹ = 970009883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (970009883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437814 + ... + 440023.

It is an arithmetic number, because the mean of its divisors is an integer number (82955691).

Almost surely, 2^970009885 is an apocalyptic number.

It is an amenable number.

970009885 is a deficient number, since it is larger than the sum of its proper divisors (357281171).

970009885 is a wasteful number, since it uses less digits than its factorization.

970009885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877872.

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 970009885 is about 31144.9816985016. The cubic root of 970009885 is about 989.9016618304.

The spelling of 970009885 in words is "nine hundred seventy million, nine thousand, eight hundred eighty-five".