3977723004 has 12 divisors (see below), whose sum is σ = 9281353704. Its totient is φ = 1325907664.

The previous prime is 3977722993. The next prime is 3977723011. The reversal of 3977723004 is 4003277793.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 165738447 + ... + 165738470.

It is an arithmetic number, because the mean of its divisors is an integer number (773446142).

Almost surely, 2^3977723004 is an apocalyptic number.

It is an amenable number.

3977723004 is an abundant number, since it is smaller than the sum of its proper divisors (5303630700).

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

3977723004 is a wasteful number, since it uses less digits than its factorization.

3977723004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331476924 (or 331476922 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 42.

The square root of 3977723004 is about 63069.1921939706. The cubic root of 3977723004 is about 1584.4486871074.

The spelling of 3977723004 in words is "three billion, nine hundred seventy-seven million, seven hundred twenty-three thousand, four".