3997929795 has 16 divisors (see below), whose sum is σ = 6455375520. Its totient is φ = 2112666624.

The previous prime is 3997929791. The next prime is 3997929799. The reversal of 3997929795 is 5979297993.

3997929795 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3997929791) and next prime (3997929799).

It is not a de Polignac number, because 3997929795 - 2² = 3997929791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3997929791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1220974 + ... + 1224243.

It is an arithmetic number, because the mean of its divisors is an integer number (403460970).

Almost surely, 2^3997929795 is an apocalyptic number.

3997929795 is a deficient number, since it is larger than the sum of its proper divisors (2457445725).

3997929795 is a wasteful number, since it uses less digits than its factorization.

3997929795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445334.

The product of its digits is 86802030, while the sum is 69.

The square root of 3997929795 is about 63229.1846776471. The cubic root of 3997929795 is about 1587.1271509106.

The spelling of 3997929795 in words is "three billion, nine hundred ninety-seven million, nine hundred twenty-nine thousand, seven hundred ninety-five".