3789666287 has 4 divisors (see below), whose sum is σ = 4134181416. Its totient is φ = 3445151160.

The previous prime is 3789666247. The next prime is 3789666311. The reversal of 3789666287 is 7826669873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7826669873 = 11 ⋅711515443.

It is not a de Polignac number, because 3789666287 - 2²² = 3785471983 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 (3789666247) 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, 172257548 + ... + 172257569.

It is an arithmetic number, because the mean of its divisors is an integer number (1033545354).

Almost surely, 2^3789666287 is an apocalyptic number.

3789666287 is a deficient number, since it is larger than the sum of its proper divisors (344515129).

3789666287 is a wasteful number, since it uses less digits than its factorization.

3789666287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344515128.

The product of its digits is 36578304, while the sum is 62.

The square root of 3789666287 is about 61560.2654883814. The cubic root of 3789666287 is about 1559.0749346511.

It can be divided in two parts, 3789 and 666287, that added together give a palindrome (670076).

The spelling of 3789666287 in words is "three billion, seven hundred eighty-nine million, six hundred sixty-six thousand, two hundred eighty-seven".