397189873707 has 16 divisors (see below), whose sum is σ = 583450836480. Its totient is φ = 238337756000.

The previous prime is 397189873673. The next prime is 397189873727. The reversal of 397189873707 is 707378981793.

It is a cyclic number.

It is not a de Polignac number, because 397189873707 - 2¹⁰ = 397189872683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (397189873727) 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, 59581107 + ... + 59587772.

It is an arithmetic number, because the mean of its divisors is an integer number (36465677280).

Almost surely, 2^397189873707 is an apocalyptic number.

397189873707 is a deficient number, since it is larger than the sum of its proper divisors (186260962773).

397189873707 is a wasteful number, since it uses less digits than its factorization.

397189873707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119168994.

The product of its (nonzero) digits is 112021056, while the sum is 69.

The spelling of 397189873707 in words is "three hundred ninety-seven billion, one hundred eighty-nine million, eight hundred seventy-three thousand, seven hundred seven".