396784957363199 has 8 divisors (see below), whose sum is σ = 396826742307840. Its totient is φ = 396743173265016.

The previous prime is 396784957363177. The next prime is 396784957363259. The reversal of 396784957363199 is 991363759487693.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396784957363199 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 (396784957363139) 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, 1426534262 + ... + 1426812380.

It is an arithmetic number, because the mean of its divisors is an integer number (49603342788480).

Almost surely, 2^{396784957363199} is an apocalyptic number.

396784957363199 is a deficient number, since it is larger than the sum of its proper divisors (41784944641).

396784957363199 is a wasteful number, since it uses less digits than its factorization.

396784957363199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423229.

The product of its digits is 49997969280, while the sum is 89.

The spelling of 396784957363199 in words is "three hundred ninety-six trillion, seven hundred eighty-four billion, nine hundred fifty-seven million, three hundred sixty-three thousand, one hundred ninety-nine".