397712202965 has 64 divisors (see below), whose sum is σ = 603391776768. Its totient is φ = 244459987200.

The previous prime is 397712202961. The next prime is 397712202977. The reversal of 397712202965 is 569202217793.

It is not a de Polignac number, because 397712202965 - 2² = 397712202961 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397712202961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7893182 + ... + 7943408.

It is an arithmetic number, because the mean of its divisors is an integer number (9427996512).

Almost surely, 2^397712202965 is an apocalyptic number.

397712202965 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

397712202965 is a deficient number, since it is larger than the sum of its proper divisors (205679573803).

397712202965 is a wasteful number, since it uses less digits than its factorization.

397712202965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50538.

The product of its (nonzero) digits is 2857680, while the sum is 53.

The spelling of 397712202965 in words is "three hundred ninety-seven billion, seven hundred twelve million, two hundred two thousand, nine hundred sixty-five".