396473795279 has 4 divisors (see below), whose sum is σ = 397019151984. Its totient is φ = 395928438576.

The previous prime is 396473795273. The next prime is 396473795287. The reversal of 396473795279 is 972597374693.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396473795279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396473795273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272677262 + ... + 272678715.

It is an arithmetic number, because the mean of its divisors is an integer number (99254787996).

Almost surely, 2^396473795279 is an apocalyptic number.

396473795279 is a deficient number, since it is larger than the sum of its proper divisors (545356705).

396473795279 is an equidigital number, since it uses as much as digits as its factorization.

396473795279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545356704.

The product of its digits is 540101520, while the sum is 71.

The spelling of 396473795279 in words is "three hundred ninety-six billion, four hundred seventy-three million, seven hundred ninety-five thousand, two hundred seventy-nine".