3979773315738 has 96 divisors (see below), whose sum is σ = 9759121182720. Its totient is φ = 1205499069360.

The previous prime is 3979773315703. The next prime is 3979773315773. The reversal of 3979773315738 is 8375133779793.

3979773315738 is a `hidden beast` number, since 3 + 97 + 97 + 73 + 315 + 73 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (3979773315703) and next prime (3979773315773).

It is a super-4 number, since 4×3979773315738⁴ (a number of 52 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13037703 + ... + 13339461.

It is an arithmetic number, because the mean of its divisors is an integer number (101657512320).

Almost surely, 2^{3979773315738} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3979773315738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4879560591360).

3979773315738 is an abundant number, since it is smaller than the sum of its proper divisors (5779347866982).

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

3979773315738 is a wasteful number, since it uses less digits than its factorization.

3979773315738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304254 (or 304242 counting only the distinct ones).

The product of its digits is 630118440, while the sum is 72.

The spelling of 3979773315738 in words is "three trillion, nine hundred seventy-nine billion, seven hundred seventy-three million, three hundred fifteen thousand, seven hundred thirty-eight".