38155087 has 2 divisors, whose sum is σ = 38155088. Its totient is φ = 38155086.

The previous prime is 38155081. The next prime is 38155109. The reversal of 38155087 is 78055183.

38155087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38155087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38155081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19077543 + 19077544.

It is an arithmetic number, because the mean of its divisors is an integer number (19077544).

Almost surely, 2^38155087 is an apocalyptic number.

38155087 is a deficient number, since it is larger than the sum of its proper divisors (1).

38155087 is an equidigital number, since it uses as much as digits as its factorization.

38155087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 38155087 is about 6176.9804111718. The cubic root of 38155087 is about 336.6542871419.

The spelling of 38155087 in words is "thirty-eight million, one hundred fifty-five thousand, eighty-seven".