38668767 has 4 divisors (see below), whose sum is σ = 51558360. Its totient is φ = 25779176.

The previous prime is 38668753. The next prime is 38668771. The reversal of 38668767 is 76786683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76786683 = 3 ⋅25595561.

It is a cyclic number.

It is not a de Polignac number, because 38668767 - 2¹² = 38664671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38668717) 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, 6444792 + ... + 6444797.

It is an arithmetic number, because the mean of its divisors is an integer number (12889590).

Almost surely, 2^38668767 is an apocalyptic number.

38668767 is a deficient number, since it is larger than the sum of its proper divisors (12889593).

38668767 is a wasteful number, since it uses less digits than its factorization.

38668767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12889592.

The product of its digits is 2032128, while the sum is 51.

The square root of 38668767 is about 6218.4215842929. The cubic root of 38668767 is about 338.1583440477.

The spelling of 38668767 in words is "thirty-eight million, six hundred sixty-eight thousand, seven hundred sixty-seven".