396517847507 has 2 divisors, whose sum is σ = 396517847508. Its totient is φ = 396517847506.

The previous prime is 396517847489. The next prime is 396517847569. The reversal of 396517847507 is 705748715693.

It is a happy number.

It is an a-pointer prime, because the next prime (396517847569) can be obtained adding 396517847507 to its sum of digits (62).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 396517847507 - 2²⁶ = 396450738643 is a prime.

It is a super-2 number, since 2×396517847507² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 396517847507.

It is not a weakly prime, because it can be changed into another prime (396517844507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198258923753 + 198258923754.

It is an arithmetic number, because the mean of its divisors is an integer number (198258923754).

Almost surely, 2^396517847507 is an apocalyptic number.

396517847507 is a deficient number, since it is larger than the sum of its proper divisors (1).

396517847507 is an equidigital number, since it uses as much as digits as its factorization.

396517847507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44452800, while the sum is 62.

The spelling of 396517847507 in words is "three hundred ninety-six billion, five hundred seventeen million, eight hundred forty-seven thousand, five hundred seven".