970387191 has 6 divisors (see below), whose sum is σ = 1401670400. Its totient is φ = 646924788.

The previous prime is 970387177. The next prime is 970387237. The reversal of 970387191 is 191783079.

It is a de Polignac number, because none of the positive numbers 2^k-970387191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (970385191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53910391 + ... + 53910408.

Almost surely, 2^970387191 is an apocalyptic number.

970387191 is a deficient number, since it is larger than the sum of its proper divisors (431283209).

970387191 is a wasteful number, since it uses less digits than its factorization.

970387191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107820805 (or 107820802 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 45.

The square root of 970387191 is about 31151.0383615057. The cubic root of 970387191 is about 990.0299929695.

The spelling of 970387191 in words is "nine hundred seventy million, three hundred eighty-seven thousand, one hundred ninety-one".