3976279774812 has 144 divisors (see below), whose sum is σ = 10319092711200. Its totient is φ = 1290240921600.

The previous prime is 3976279774759. The next prime is 3976279774813. The reversal of 3976279774812 is 2184779726793.

3976279774812 is a `hidden beast` number, since 3 + 9 + 7 + 6 + 2 + 79 + 77 + 481 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3976279774813) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2340363939 + ... + 2340365637.

It is an arithmetic number, because the mean of its divisors is an integer number (71660366050).

Almost surely, 2^{3976279774812} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3976279774812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5159546355600).

3976279774812 is an abundant number, since it is smaller than the sum of its proper divisors (6342812936388).

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

3976279774812 is a wasteful number, since it uses less digits than its factorization.

3976279774812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324 (or 4319 counting only the distinct ones).

The product of its digits is 448084224, while the sum is 72.

The spelling of 3976279774812 in words is "three trillion, nine hundred seventy-six billion, two hundred seventy-nine million, seven hundred seventy-four thousand, eight hundred twelve".