397039772594 has 16 divisors (see below), whose sum is σ = 607481054208. Its totient is φ = 194583754512.

The previous prime is 397039772581. The next prime is 397039772609. The reversal of 397039772594 is 495277930793.

It is a self number, because there is not a number n which added to its sum of digits gives 397039772594.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9395477 + ... + 9437640.

It is an arithmetic number, because the mean of its divisors is an integer number (37967565888).

Almost surely, 2^397039772594 is an apocalyptic number.

397039772594 is a deficient number, since it is larger than the sum of its proper divisors (210441281614).

397039772594 is a wasteful number, since it uses less digits than its factorization.

397039772594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18833329.

The product of its (nonzero) digits is 90016920, while the sum is 65.

The spelling of 397039772594 in words is "three hundred ninety-seven billion, thirty-nine million, seven hundred seventy-two thousand, five hundred ninety-four".