38457977 has 2 divisors, whose sum is σ = 38457978. Its totient is φ = 38457976.

The previous prime is 38457901. The next prime is 38457983. The reversal of 38457977 is 77975483.

38457977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24760576 + 13697401 = 4976^2 + 3701^2 .

It is an emirp because it is prime and its reverse (77975483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38457977 - 2⁸ = 38457721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38457677) 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, 19228988 + 19228989.

It is an arithmetic number, because the mean of its divisors is an integer number (19228989).

Almost surely, 2^38457977 is an apocalyptic number.

It is an amenable number.

38457977 is a deficient number, since it is larger than the sum of its proper divisors (1).

38457977 is an equidigital number, since it uses as much as digits as its factorization.

38457977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1481760, while the sum is 50.

The square root of 38457977 is about 6201.4495886043. The cubic root of 38457977 is about 337.5427713512.

The spelling of 38457977 in words is "thirty-eight million, four hundred fifty-seven thousand, nine hundred seventy-seven".