396406687875 has 32 divisors (see below), whose sum is σ = 719586256896. Its totient is φ = 192197180000.

The previous prime is 396406687847. The next prime is 396406687883. The reversal of 396406687875 is 578786604693.

It is not a de Polignac number, because 396406687875 - 2⁶ = 396406687811 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48045171 + ... + 48053420.

It is an arithmetic number, because the mean of its divisors is an integer number (22487070528).

Almost surely, 2^396406687875 is an apocalyptic number.

396406687875 is a deficient number, since it is larger than the sum of its proper divisors (323179569021).

396406687875 is a wasteful number, since it uses less digits than its factorization.

396406687875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96098620 (or 96098610 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 69.

The spelling of 396406687875 in words is "three hundred ninety-six billion, four hundred six million, six hundred eighty-seven thousand, eight hundred seventy-five".