38730877 has 2 divisors, whose sum is σ = 38730878. Its totient is φ = 38730876.

The previous prime is 38730851. The next prime is 38730893. The reversal of 38730877 is 77803783.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38081241 + 649636 = 6171^2 + 806^2 .

It is a cyclic number.

It is not a de Polignac number, because 38730877 - 2²³ = 30342269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38730677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19365438 + 19365439.

It is an arithmetic number, because the mean of its divisors is an integer number (19365439).

Almost surely, 2^38730877 is an apocalyptic number.

It is an amenable number.

38730877 is a deficient number, since it is larger than the sum of its proper divisors (1).

38730877 is an equidigital number, since it uses as much as digits as its factorization.

38730877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 38730877 is about 6223.4136131226. The cubic root of 38730877 is about 338.3392978368.

The spelling of 38730877 in words is "thirty-eight million, seven hundred thirty thousand, eight hundred seventy-seven".