397578624171 has 8 divisors (see below), whose sum is σ = 533615460864. Its totient is φ = 263297101800.

The previous prime is 397578624167. The next prime is 397578624173. The reversal of 397578624171 is 171426875793.

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

It is not a de Polignac number, because 397578624171 - 2² = 397578624167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (397578624173) 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, 438828051 + ... + 438828956.

It is an arithmetic number, because the mean of its divisors is an integer number (66701932608).

Almost surely, 2^397578624171 is an apocalyptic number.

397578624171 is a deficient number, since it is larger than the sum of its proper divisors (136036836693).

397578624171 is a wasteful number, since it uses less digits than its factorization.

397578624171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877657161.

The product of its digits is 17781120, while the sum is 60.

The spelling of 397578624171 in words is "three hundred ninety-seven billion, five hundred seventy-eight million, six hundred twenty-four thousand, one hundred seventy-one".