396785714647 has 8 divisors (see below), whose sum is σ = 453488334752. Its totient is φ = 340087831200.

The previous prime is 396785714641. The next prime is 396785714659. The reversal of 396785714647 is 746417587693.

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

It is a cyclic number.

It is not a de Polignac number, because 396785714647 - 2¹¹ = 396785712599 is a prime.

It is a super-3 number, since 3×396785714647³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396785714641) 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 in 7 ways as a sum of consecutive naturals, for example, 1002804 + ... + 1341337.

It is an arithmetic number, because the mean of its divisors is an integer number (56686041844).

Almost surely, 2^396785714647 is an apocalyptic number.

396785714647 is a deficient number, since it is larger than the sum of its proper divisors (56702620105).

396785714647 is a wasteful number, since it uses less digits than its factorization.

396785714647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368329.

The product of its digits is 213373440, while the sum is 67.

The spelling of 396785714647 in words is "three hundred ninety-six billion, seven hundred eighty-five million, seven hundred fourteen thousand, six hundred forty-seven".