397739801037 has 32 divisors (see below), whose sum is σ = 562146480000. Its totient is φ = 249701365760.

The previous prime is 397739801029. The next prime is 397739801051. The reversal of 397739801037 is 730108937793.

It is a cyclic number.

It is not a de Polignac number, because 397739801037 - 2³ = 397739801029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397739801237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14429014 + ... + 14456552.

It is an arithmetic number, because the mean of its divisors is an integer number (17567077500).

Almost surely, 2^397739801037 is an apocalyptic number.

It is an amenable number.

397739801037 is a deficient number, since it is larger than the sum of its proper divisors (164406678963).

397739801037 is a wasteful number, since it uses less digits than its factorization.

397739801037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31661.

The product of its (nonzero) digits is 6001128, while the sum is 57.

The spelling of 397739801037 in words is "three hundred ninety-seven billion, seven hundred thirty-nine million, eight hundred one thousand, thirty-seven".