397263598028 has 24 divisors (see below), whose sum is σ = 758560106304. Its totient is φ = 180539176400.

The previous prime is 397263598019. The next prime is 397263598063. The reversal of 397263598028 is 820895362793.

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, 650618 + ... + 1103553.

It is an arithmetic number, because the mean of its divisors is an integer number (31606671096).

Almost surely, 2^397263598028 is an apocalyptic number.

It is an amenable number.

397263598028 is a deficient number, since it is larger than the sum of its proper divisors (361296508276).

397263598028 is a wasteful number, since it uses less digits than its factorization.

397263598028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759333 (or 1759331 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 397263598028 in words is "three hundred ninety-seven billion, two hundred sixty-three million, five hundred ninety-eight thousand, twenty-eight".