3976829781216 has 48 divisors (see below), whose sum is σ = 10439295552000. Its totient is φ = 1325595022208.

The previous prime is 3976829781131. The next prime is 3976829781233. The reversal of 3976829781216 is 6121879286793.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×3976829781216³ (a number of 39 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (69) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11318065 + ... + 11664143.

It is an arithmetic number, because the mean of its divisors is an integer number (217485324000).

Almost surely, 2^{3976829781216} is an apocalyptic number.

It is an amenable number.

3976829781216 is an abundant number, since it is smaller than the sum of its proper divisors (6462465770784).

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

3976829781216 is a wasteful number, since it uses less digits than its factorization.

3976829781216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465791 (or 465783 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 69.

The spelling of 3976829781216 in words is "three trillion, nine hundred seventy-six billion, eight hundred twenty-nine million, seven hundred eighty-one thousand, two hundred sixteen".