3897068117 has 4 divisors (see below), whose sum is σ = 4126307436. Its totient is φ = 3667828800.

The previous prime is 3897068099. The next prime is 3897068129. The reversal of 3897068117 is 7118607983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7118607983 = 10453 ⋅681011.

It can be written as a sum of positive squares in 2 ways, for example, as 1618533361 + 2278534756 = 40231^2 + 47734^2 .

It is a cyclic number.

It is not a de Polignac number, because 3897068117 - 2²² = 3892873813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897068167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114619634 + ... + 114619667.

It is an arithmetic number, because the mean of its divisors is an integer number (1031576859).

Almost surely, 2^3897068117 is an apocalyptic number.

It is an amenable number.

3897068117 is a deficient number, since it is larger than the sum of its proper divisors (229239319).

3897068117 is a wasteful number, since it uses less digits than its factorization.

3897068117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229239318.

The product of its (nonzero) digits is 508032, while the sum is 50.

The square root of 3897068117 is about 62426.5017200227. The cubic root of 3897068117 is about 1573.6663765134. Note that the first 3 decimals are identical.

The spelling of 3897068117 in words is "three billion, eight hundred ninety-seven million, sixty-eight thousand, one hundred seventeen".