397748509467 has 8 divisors (see below), whose sum is σ = 532288289280. Its totient is φ = 264187201320.

The previous prime is 397748509453. The next prime is 397748509489. The reversal of 397748509467 is 764905847793.

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

It is not a de Polignac number, because 397748509467 - 2⁴ = 397748509451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (397748509427) 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, 244616967 + ... + 244618592.

It is an arithmetic number, because the mean of its divisors is an integer number (66536036160).

Almost surely, 2^397748509467 is an apocalyptic number.

397748509467 is a deficient number, since it is larger than the sum of its proper divisors (134539779813).

397748509467 is a wasteful number, since it uses less digits than its factorization.

397748509467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489235833.

The product of its (nonzero) digits is 320060160, while the sum is 69.

The spelling of 397748509467 in words is "three hundred ninety-seven billion, seven hundred forty-eight million, five hundred nine thousand, four hundred sixty-seven".