3978370769624 has 16 divisors (see below), whose sum is σ = 7459635383520. Its totient is φ = 1989134667360.

The previous prime is 3978370769623. The next prime is 3978370769629. The reversal of 3978370769624 is 4269670738793.

It is a super-2 number, since 2×3978370769624² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3978370769623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6005267 + ... + 6634754.

It is an arithmetic number, because the mean of its divisors is an integer number (466227211470).

Almost surely, 2^{3978370769624} is an apocalyptic number.

It is an amenable number.

3978370769624 is a deficient number, since it is larger than the sum of its proper divisors (3481264613896).

3978370769624 is a wasteful number, since it uses less digits than its factorization.

3978370769624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12679370 (or 12679366 counting only the distinct ones).

The product of its (nonzero) digits is 576108288, while the sum is 71.

The spelling of 3978370769624 in words is "three trillion, nine hundred seventy-eight billion, three hundred seventy million, seven hundred sixty-nine thousand, six hundred twenty-four".