396913318587 has 20 divisors (see below), whose sum is σ = 592941272616. Its totient is φ = 264599339040.

The previous prime is 396913318463. The next prime is 396913318631. The reversal of 396913318587 is 785813319693.

396913318587 is a `hidden beast` number, since 3 + 9 + 6 + 9 + 1 + 33 + 18 + 587 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-396913318587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396913314587) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2719912 + ... + 2862122.

Almost surely, 2^396913318587 is an apocalyptic number.

396913318587 is a deficient number, since it is larger than the sum of its proper divisors (196027954029).

396913318587 is a wasteful number, since it uses less digits than its factorization.

396913318587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176680 (or 176671 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 63.

The spelling of 396913318587 in words is "three hundred ninety-six billion, nine hundred thirteen million, three hundred eighteen thousand, five hundred eighty-seven".