38765911 has 2 divisors, whose sum is σ = 38765912. Its totient is φ = 38765910.

The previous prime is 38765887. The next prime is 38765957. The reversal of 38765911 is 11956783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38765911 - 2¹¹ = 38763863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38765981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19382955 + 19382956.

It is an arithmetic number, because the mean of its divisors is an integer number (19382956).

Almost surely, 2^38765911 is an apocalyptic number.

38765911 is a deficient number, since it is larger than the sum of its proper divisors (1).

38765911 is an equidigital number, since it uses as much as digits as its factorization.

38765911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 40.

The square root of 38765911 is about 6226.2276701065. The cubic root of 38765911 is about 338.4412819873.

The spelling of 38765911 in words is "thirty-eight million, seven hundred sixty-five thousand, nine hundred eleven".