396477138669696 has 256 divisors, whose sum is σ = 1344112143264000. Its totient is φ = 112704159891456.

The previous prime is 396477138669683. The next prime is 396477138669697. The reversal of 396477138669696 is 696966831774693.

396477138669696 is a `hidden beast` number, since 3 + 9 + 6 + 47 + 71 + 386 + 69 + 69 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (396477138669697) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36830041 + ... + 46361688.

It is an arithmetic number, because the mean of its divisors is an integer number (5250438059625).

Almost surely, 2^{396477138669696} is an apocalyptic number.

396477138669696 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

396477138669696 is an abundant number, since it is smaller than the sum of its proper divisors (947635004594304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

396477138669696 is a wasteful number, since it uses less digits than its factorization.

396477138669696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83191956 (or 83191938 counting only the distinct ones).

The product of its digits is 79996750848, while the sum is 90.

The spelling of 396477138669696 in words is "three hundred ninety-six trillion, four hundred seventy-seven billion, one hundred thirty-eight million, six hundred sixty-nine thousand, six hundred ninety-six".