3978974583 has 28 divisors (see below), whose sum is σ = 5971452480. Its totient is φ = 2650107456.

The previous prime is 3978974579. The next prime is 3978974611. The reversal of 3978974583 is 3854798793.

3978974583 is a `hidden beast` number, since 3 + 97 + 8 + 97 + 458 + 3 = 666.

It is not a de Polignac number, because 3978974583 - 2² = 3978974579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3978974583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3978974183) 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 27 ways as a sum of consecutive naturals, for example, 1047135 + ... + 1050927.

It is an arithmetic number, because the mean of its divisors is an integer number (213266160).

Almost surely, 2^3978974583 is an apocalyptic number.

3978974583 is a deficient number, since it is larger than the sum of its proper divisors (1992477897).

3978974583 is an equidigital number, since it uses as much as digits as its factorization.

3978974583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5250 (or 5235 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The square root of 3978974583 is about 63079.1136827397. The cubic root of 3978974583 is about 1584.6148504081.

The spelling of 3978974583 in words is "three billion, nine hundred seventy-eight million, nine hundred seventy-four thousand, five hundred eighty-three".