397859238497536 has 36 divisors (see below), whose sum is σ = 794361943872000. Its totient is φ = 198880121441792.

The previous prime is 397859238497531. The next prime is 397859238497543. The reversal of 397859238497536 is 635794832958793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397859238497531) 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, 192319936 + ... + 194377663.

It is an arithmetic number, because the mean of its divisors is an integer number (22065609552000).

Almost surely, 2^{397859238497536} is an apocalyptic number.

It is an amenable number.

397859238497536 is a deficient number, since it is larger than the sum of its proper divisors (396502705374464).

397859238497536 is an equidigital number, since it uses as much as digits as its factorization.

397859238497536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386701634 (or 386701620 counting only the distinct ones).

The product of its digits is 74071065600, while the sum is 88.

The spelling of 397859238497536 in words is "three hundred ninety-seven trillion, eight hundred fifty-nine billion, two hundred thirty-eight million, four hundred ninety-seven thousand, five hundred thirty-six".