38240077 has 2 divisors, whose sum is σ = 38240078. Its totient is φ = 38240076.

The previous prime is 38240071. The next prime is 38240087. The reversal of 38240077 is 77004283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38118276 + 121801 = 6174^2 + 349^2 .

It is a cyclic number.

It is not a de Polignac number, because 38240077 - 2¹⁹ = 37715789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38240071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19120038 + 19120039.

It is an arithmetic number, because the mean of its divisors is an integer number (19120039).

Almost surely, 2^38240077 is an apocalyptic number.

It is an amenable number.

38240077 is a deficient number, since it is larger than the sum of its proper divisors (1).

38240077 is an equidigital number, since it uses as much as digits as its factorization.

38240077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 38240077 is about 6183.8561593879. The cubic root of 38240077 is about 336.9040662398.

The spelling of 38240077 in words is "thirty-eight million, two hundred forty thousand, seventy-seven".