970988307 has 4 divisors (see below), whose sum is σ = 1294651080. Its totient is φ = 647325536.

The previous prime is 970988297. The next prime is 970988329. The reversal of 970988307 is 703889079.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 970988307 - 2¹² = 970984211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 970988307.

It is not an unprimeable number, because it can be changed into a prime (970988387) 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, 161831382 + ... + 161831387.

It is an arithmetic number, because the mean of its divisors is an integer number (323662770).

Almost surely, 2^970988307 is an apocalyptic number.

970988307 is a deficient number, since it is larger than the sum of its proper divisors (323662773).

970988307 is a wasteful number, since it uses less digits than its factorization.

970988307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323662772.

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 970988307 is about 31160.6852780872. The cubic root of 970988307 is about 990.2343787487.

The spelling of 970988307 in words is "nine hundred seventy million, nine hundred eighty-eight thousand, three hundred seven".