3974207979 has 32 divisors (see below), whose sum is σ = 6469857280. Its totient is φ = 2119325472.

The previous prime is 3974207977. The next prime is 3974208001. The reversal of 3974207979 is 9797024793.

It is not a de Polignac number, because 3974207979 - 2¹ = 3974207977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3974207971) 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 31 ways as a sum of consecutive naturals, for example, 47599 + ... + 101064.

It is an arithmetic number, because the mean of its divisors is an integer number (202183040).

Almost surely, 2^3974207979 is an apocalyptic number.

3974207979 is a deficient number, since it is larger than the sum of its proper divisors (2495649301).

3974207979 is a wasteful number, since it uses less digits than its factorization.

3974207979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148759.

The product of its (nonzero) digits is 6001128, while the sum is 57.

The square root of 3974207979 is about 63041.3196165816. The cubic root of 3974207979 is about 1583.9818355897.

The spelling of 3974207979 in words is "three billion, nine hundred seventy-four million, two hundred seven thousand, nine hundred seventy-nine".