397111244780 has 24 divisors (see below), whose sum is σ = 835294053552. Its totient is φ = 158585366592.

The previous prime is 397111244773. The next prime is 397111244791. The reversal of 397111244780 is 87442111793.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16183142 + ... + 16207661.

It is an arithmetic number, because the mean of its divisors is an integer number (34803918898).

Almost surely, 2^397111244780 is an apocalyptic number.

It is an amenable number.

397111244780 is an abundant number, since it is smaller than the sum of its proper divisors (438182808772).

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

397111244780 is a wasteful number, since it uses less digits than its factorization.

397111244780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32391425 (or 32391423 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 397111244780 in words is "three hundred ninety-seven billion, one hundred eleven million, two hundred forty-four thousand, seven hundred eighty".