38768802647 has 4 divisors (see below), whose sum is σ = 40019409216. Its totient is φ = 37518196080.

The previous prime is 38768802629. The next prime is 38768802661. The reversal of 38768802647 is 74620886783.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38768802647 - 2³² = 34473835351 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 (38768802607) 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, 625303238 + ... + 625303299.

It is an arithmetic number, because the mean of its divisors is an integer number (10004852304).

Almost surely, 2^38768802647 is an apocalyptic number.

38768802647 is a deficient number, since it is larger than the sum of its proper divisors (1250606569).

38768802647 is a wasteful number, since it uses less digits than its factorization.

38768802647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250606568.

The product of its (nonzero) digits is 21676032, while the sum is 59.

The spelling of 38768802647 in words is "thirty-eight billion, seven hundred sixty-eight million, eight hundred two thousand, six hundred forty-seven".