397033978893572 has 48 divisors (see below), whose sum is σ = 741456364239360. Its totient is φ = 185373275942400.

The previous prime is 397033978893569. The next prime is 397033978893631. The reversal of 397033978893572 is 275398879330793.

It is a super-2 number, since 2×397033978893572² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36520322 + ... + 46128102.

It is an arithmetic number, because the mean of its divisors is an integer number (15447007588320).

Almost surely, 2^{397033978893572} is an apocalyptic number.

It is an amenable number.

397033978893572 is a deficient number, since it is larger than the sum of its proper divisors (344422385345788).

397033978893572 is a wasteful number, since it uses less digits than its factorization.

397033978893572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9612572 (or 9612570 counting only the distinct ones).

The product of its (nonzero) digits is 12962436480, while the sum is 83.

The spelling of 397033978893572 in words is "three hundred ninety-seven trillion, thirty-three billion, nine hundred seventy-eight million, eight hundred ninety-three thousand, five hundred seventy-two".