38922787 has 2 divisors, whose sum is σ = 38922788. Its totient is φ = 38922786.

The previous prime is 38922769. The next prime is 38922791. The reversal of 38922787 is 78722983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38922787 - 2¹⁹ = 38398499 is a prime.

It is not a weakly prime, because it can be changed into another prime (38922287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19461393 + 19461394.

It is an arithmetic number, because the mean of its divisors is an integer number (19461394).

Almost surely, 2^38922787 is an apocalyptic number.

38922787 is a deficient number, since it is larger than the sum of its proper divisors (1).

38922787 is an equidigital number, since it uses as much as digits as its factorization.

38922787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 46.

The square root of 38922787 is about 6238.8129479894. The cubic root of 38922787 is about 338.8971967784.

The spelling of 38922787 in words is "thirty-eight million, nine hundred twenty-two thousand, seven hundred eighty-seven".