3996780695 has 16 divisors (see below), whose sum is σ = 4881532800. Its totient is φ = 3140640000.

The previous prime is 3996780677. The next prime is 3996780707. The reversal of 3996780695 is 5960876993.

3996780695 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3996780695 - 2¹⁶ = 3996715159 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220331 + ... + 237779.

It is an arithmetic number, because the mean of its divisors is an integer number (305095800).

Almost surely, 2^3996780695 is an apocalyptic number.

3996780695 is a deficient number, since it is larger than the sum of its proper divisors (884752105).

3996780695 is a wasteful number, since it uses less digits than its factorization.

3996780695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18266.

The product of its (nonzero) digits is 22044960, while the sum is 62.

The square root of 3996780695 is about 63220.0972397227. The cubic root of 3996780695 is about 1586.9750769905.

The spelling of 3996780695 in words is "three billion, nine hundred ninety-six million, seven hundred eighty thousand, six hundred ninety-five".