380038777 has 2 divisors, whose sum is σ = 380038778. Its totient is φ = 380038776.

The previous prime is 380038739. The next prime is 380038783. The reversal of 380038777 is 777830083.

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., 379314576 + 724201 = 19476^2 + 851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380038777 is a prime.

It is not a weakly prime, because it can be changed into another prime (380038787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190019388 + 190019389.

It is an arithmetic number, because the mean of its divisors is an integer number (190019389).

Almost surely, 2^380038777 is an apocalyptic number.

It is an amenable number.

380038777 is a deficient number, since it is larger than the sum of its proper divisors (1).

380038777 is an equidigital number, since it uses as much as digits as its factorization.

380038777 is an evil number, because the sum of its binary digits is even.

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

The square root of 380038777 is about 19494.5832733095. The cubic root of 380038777 is about 724.3402810393.

The spelling of 380038777 in words is "three hundred eighty million, thirty-eight thousand, seven hundred seventy-seven".