3999095872 has 42 divisors (see below), whose sum is σ = 7990867178. Its totient is φ = 1985691648.

The previous prime is 3999095857. The next prime is 3999095879. The reversal of 3999095872 is 2785909993.

3999095872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 48219136 + 3950876736 = 6944^2 + 62856^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3999095872.

It is not an unprimeable number, because it can be changed into a prime (3999095879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7028004 + ... + 7028572.

Almost surely, 2^3999095872 is an apocalyptic number.

3999095872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3999095872 is a deficient number, since it is larger than the sum of its proper divisors (3991771306).

3999095872 is an frugal number, since it uses more digits than its factorization.

3999095872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343 (or 764 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 61.

The square root of 3999095872 is about 63238.4050399755. The cubic root of 3999095872 is about 1587.2814418110.

The spelling of 3999095872 in words is "three billion, nine hundred ninety-nine million, ninety-five thousand, eight hundred seventy-two".