38774887 has 2 divisors, whose sum is σ = 38774888. Its totient is φ = 38774886.

The previous prime is 38774867. The next prime is 38774903. The reversal of 38774887 is 78847783.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38774887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38774867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19387443 + 19387444.

It is an arithmetic number, because the mean of its divisors is an integer number (19387444).

Almost surely, 2^38774887 is an apocalyptic number.

38774887 is a deficient number, since it is larger than the sum of its proper divisors (1).

38774887 is an equidigital number, since it uses as much as digits as its factorization.

38774887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2107392, while the sum is 52.

The square root of 38774887 is about 6226.9484500837. The cubic root of 38774887 is about 338.4674012798.

The spelling of 38774887 in words is "thirty-eight million, seven hundred seventy-four thousand, eight hundred eighty-seven".