397257096055608 has 96 divisors (see below), whose sum is σ = 1096172708613840. Its totient is φ = 129947704857600.

The previous prime is 397257096055559. The next prime is 397257096055627. The reversal of 397257096055608 is 806550690752793.

397257096055608 is a `hidden beast` number, since 3 + 9 + 7 + 2 + 5 + 7 + 0 + 9 + 6 + 0 + 5 + 5 + 608 = 666.

It is a super-2 number, since 2×397257096055608² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240896466 + ... + 242539937.

Almost surely, 2^{397257096055608} is an apocalyptic number.

It is an amenable number.

397257096055608 is an abundant number, since it is smaller than the sum of its proper divisors (698915612558232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397257096055608 is a wasteful number, since it uses less digits than its factorization.

397257096055608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483436629 (or 483436622 counting only the distinct ones).

The product of its (nonzero) digits is 857304000, while the sum is 72.

The spelling of 397257096055608 in words is "three hundred ninety-seven trillion, two hundred fifty-seven billion, ninety-six million, fifty-five thousand, six hundred eight".