3279755799864 has 96 divisors (see below), whose sum is σ = 9212247757440. Its totient is φ = 1093182156000.

The previous prime is 3279755799863. The next prime is 3279755799917. The reversal of 3279755799864 is 4689975579723.

3279755799864 is a `hidden beast` number, since 32 + 7 + 9 + 7 + 5 + 579 + 9 + 8 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3279755799863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36951939 + ... + 37040589.

It is an arithmetic number, because the mean of its divisors is an integer number (95960914140).

Almost surely, 2^{3279755799864} is an apocalyptic number.

It is an amenable number.

3279755799864 is an abundant number, since it is smaller than the sum of its proper divisors (5932491957576).

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

3279755799864 is a wasteful number, since it uses less digits than its factorization.

3279755799864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107703 (or 107687 counting only the distinct ones).

The product of its digits is 7201353600, while the sum is 81.

The spelling of 3279755799864 in words is "three trillion, two hundred seventy-nine billion, seven hundred fifty-five million, seven hundred ninety-nine thousand, eight hundred sixty-four".