397277294465 has 8 divisors (see below), whose sum is σ = 478545427008. Its totient is φ = 316613386480.

The previous prime is 397277294443. The next prime is 397277294497. The reversal of 397277294465 is 564492772793.

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

It is not a de Polignac number, because 397277294465 - 2⁸ = 397277294209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151054691 + ... + 151057320.

It is an arithmetic number, because the mean of its divisors is an integer number (59818178376).

Almost surely, 2^397277294465 is an apocalyptic number.

It is an amenable number.

397277294465 is a deficient number, since it is larger than the sum of its proper divisors (81268132543).

397277294465 is a wasteful number, since it uses less digits than its factorization.

397277294465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302112279.

The product of its digits is 160030080, while the sum is 65.

The spelling of 397277294465 in words is "three hundred ninety-seven billion, two hundred seventy-seven million, two hundred ninety-four thousand, four hundred sixty-five".