3869768647 has 8 divisors (see below), whose sum is σ = 3929040000. Its totient is φ = 3810541944.

The previous prime is 3869768629. The next prime is 3869768663. The reversal of 3869768647 is 7468679683.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3869768647 - 2⁷ = 3869768519 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 (3869768687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191304 + ... + 210562.

It is an arithmetic number, because the mean of its divisors is an integer number (491130000).

Almost surely, 2^3869768647 is an apocalyptic number.

3869768647 is a deficient number, since it is larger than the sum of its proper divisors (59271353).

3869768647 is a wasteful number, since it uses less digits than its factorization.

3869768647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22325.

The product of its digits is 73156608, while the sum is 64.

The square root of 3869768647 is about 62207.4645601314. The cubic root of 3869768647 is about 1569.9831833162.

The spelling of 3869768647 in words is "three billion, eight hundred sixty-nine million, seven hundred sixty-eight thousand, six hundred forty-seven".