397655525556793 has 8 divisors (see below), whose sum is σ = 454517412905088. Its totient is φ = 340807126989984.

The previous prime is 397655525556791. The next prime is 397655525556853.

397655525556793 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 397655525556793 - 2¹ = 397655525556791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397655525556791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3372132196 + ... + 3372250117.

It is an arithmetic number, because the mean of its divisors is an integer number (56814676613136).

Almost surely, 2^{397655525556793} is an apocalyptic number.

It is an amenable number.

397655525556793 is a deficient number, since it is larger than the sum of its proper divisors (56861887348295).

397655525556793 is an equidigital number, since it uses as much as digits as its factorization.

397655525556793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6744390743.

The product of its digits is 40186125000, while the sum is 82.

The spelling of 397655525556793 in words is "three hundred ninety-seven trillion, six hundred fifty-five billion, five hundred twenty-five million, five hundred fifty-six thousand, seven hundred ninety-three".