397146793288 has 16 divisors (see below), whose sum is σ = 851028842880. Its totient is φ = 170205768528.

The previous prime is 397146793283. The next prime is 397146793301. The reversal of 397146793288 is 882397641793.

It is not an unprimeable number, because it can be changed into a prime (397146793283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3545953456 + ... + 3545953567.

It is an arithmetic number, because the mean of its divisors is an integer number (53189302680).

Almost surely, 2^397146793288 is an apocalyptic number.

It is an amenable number.

397146793288 is an abundant number, since it is smaller than the sum of its proper divisors (453882049592).

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

397146793288 is a wasteful number, since it uses less digits than its factorization.

397146793288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7091907036 (or 7091907032 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 67.

The spelling of 397146793288 in words is "three hundred ninety-seven billion, one hundred forty-six million, seven hundred ninety-three thousand, two hundred eighty-eight".