3664771117 has 4 divisors (see below), whose sum is σ = 4188309856. Its totient is φ = 3141232380.

The previous prime is 3664771109. The next prime is 3664771157. The reversal of 3664771117 is 7111774663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3664771117 - 2³ = 3664771109 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 (3664771157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261769359 + ... + 261769372.

It is an arithmetic number, because the mean of its divisors is an integer number (1047077464).

Almost surely, 2^3664771117 is an apocalyptic number.

It is an amenable number.

3664771117 is a deficient number, since it is larger than the sum of its proper divisors (523538739).

3664771117 is an equidigital number, since it uses as much as digits as its factorization.

3664771117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523538738.

The product of its digits is 148176, while the sum is 43.

The square root of 3664771117 is about 60537.3530722974. The cubic root of 3664771117 is about 1541.7558985910.

The spelling of 3664771117 in words is "three billion, six hundred sixty-four million, seven hundred seventy-one thousand, one hundred seventeen".