397007403191 has 8 divisors (see below), whose sum is σ = 453726559104. Its totient is φ = 340289200440.

The previous prime is 397007403181. The next prime is 397007403197. The reversal of 397007403191 is 191304700793.

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

It is not a de Polignac number, because 397007403191 - 2²⁶ = 396940294327 is a prime.

It is a super-2 number, since 2×397007403191² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397007403197) 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, 1488236 + ... + 1734606.

It is an arithmetic number, because the mean of its divisors is an integer number (56715819888).

Almost surely, 2^397007403191 is an apocalyptic number.

397007403191 is a deficient number, since it is larger than the sum of its proper divisors (56719155913).

397007403191 is a wasteful number, since it uses less digits than its factorization.

397007403191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476581.

The product of its (nonzero) digits is 142884, while the sum is 44.

The spelling of 397007403191 in words is "three hundred ninety-seven billion, seven million, four hundred three thousand, one hundred ninety-one".