975989379 has 16 divisors (see below), whose sum is σ = 1345307040. Its totient is φ = 628957440.

The previous prime is 975989351. The next prime is 975989381. The reversal of 975989379 is 973989579.

It is not a de Polignac number, because 975989379 - 2¹³ = 975981187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (975989309) 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, 22992 + ... + 49805.

It is an arithmetic number, because the mean of its divisors is an integer number (84081690).

Almost surely, 2^975989379 is an apocalyptic number.

975989379 is a deficient number, since it is larger than the sum of its proper divisors (369317661).

975989379 is a wasteful number, since it uses less digits than its factorization.

975989379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72950.

The product of its digits is 38578680, while the sum is 66.

The square root of 975989379 is about 31240.8287182014. The cubic root of 975989379 is about 991.9315346191.

The spelling of 975989379 in words is "nine hundred seventy-five million, nine hundred eighty-nine thousand, three hundred seventy-nine".