397133411892 has 72 divisors (see below), whose sum is σ = 1082682516384. Its totient is φ = 112966797888.

The previous prime is 397133411887. The next prime is 397133411903. The reversal of 397133411892 is 298114331793.

It is a congruent number.

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, 1354183 + ... + 1621134.

It is an arithmetic number, because the mean of its divisors is an integer number (15037257172).

Almost surely, 2^397133411892 is an apocalyptic number.

It is an amenable number.

397133411892 is an abundant number, since it is smaller than the sum of its proper divisors (685549104492).

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

397133411892 is a wasteful number, since it uses less digits than its factorization.

397133411892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975565 (or 2975556 counting only the distinct ones).

The product of its digits is 979776, while the sum is 51.

The spelling of 397133411892 in words is "three hundred ninety-seven billion, one hundred thirty-three million, four hundred eleven thousand, eight hundred ninety-two".