3982478745 has 32 divisors (see below), whose sum is σ = 7322515200. Its totient is φ = 1810494720.

The previous prime is 3982478741. The next prime is 3982478779. The reversal of 3982478745 is 5478742893.

It is not a de Polignac number, because 3982478745 - 2² = 3982478741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3982478741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85770 + ... + 123779.

It is an arithmetic number, because the mean of its divisors is an integer number (228828600).

Almost surely, 2^3982478745 is an apocalyptic number.

3982478745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3982478745 is a deficient number, since it is larger than the sum of its proper divisors (3340036455).

3982478745 is a wasteful number, since it uses less digits than its factorization.

3982478745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209745.

The product of its digits is 13547520, while the sum is 57.

The square root of 3982478745 is about 63106.8834993458. The cubic root of 3982478745 is about 1585.0798879682.

The spelling of 3982478745 in words is "three billion, nine hundred eighty-two million, four hundred seventy-eight thousand, seven hundred forty-five".