397162261794 has 48 divisors (see below), whose sum is σ = 814551199776. Its totient is φ = 129098123520.

The previous prime is 397162261723. The next prime is 397162261819. The reversal of 397162261794 is 497162261793.

It is a happy number.

397162261794 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24934717 + ... + 24950639.

It is an arithmetic number, because the mean of its divisors is an integer number (16969816662).

Almost surely, 2^397162261794 is an apocalyptic number.

397162261794 is an abundant number, since it is smaller than the sum of its proper divisors (417388937982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397162261794 is a wasteful number, since it uses less digits than its factorization.

397162261794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18483 (or 18442 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 57.

Subtracting 397162261794 from its reverse (497162261793), we obtain a palindrome (99999999999).

The spelling of 397162261794 in words is "three hundred ninety-seven billion, one hundred sixty-two million, two hundred sixty-one thousand, seven hundred ninety-four".