3897716769 has 48 divisors (see below), whose sum is σ = 6228278784. Its totient is φ = 2337984000.

The previous prime is 3897716747. The next prime is 3897716821. The reversal of 3897716769 is 9676177983.

It is not a de Polignac number, because 3897716769 - 2⁹ = 3897716257 is a prime.

It is a super-2 number, since 2×3897716769² = 30384392022687598722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3897716729) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 388719 + ... + 398619.

It is an arithmetic number, because the mean of its divisors is an integer number (129755808).

Almost surely, 2^3897716769 is an apocalyptic number.

It is an amenable number.

3897716769 is a deficient number, since it is larger than the sum of its proper divisors (2330562015).

3897716769 is a wasteful number, since it uses less digits than its factorization.

3897716769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10038 (or 10035 counting only the distinct ones).

The product of its digits is 24004512, while the sum is 63.

The square root of 3897716769 is about 62431.6968294151. The cubic root of 3897716769 is about 1573.7536819084.

The spelling of 3897716769 in words is "three billion, eight hundred ninety-seven million, seven hundred sixteen thousand, seven hundred sixty-nine".