383780790377 has 2 divisors, whose sum is σ = 383780790378. Its totient is φ = 383780790376.

The previous prime is 383780790347. The next prime is 383780790391. The reversal of 383780790377 is 773097087383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 294505923856 + 89274866521 = 542684^2 + 298789^2 .

It is an emirp because it is prime and its reverse (773097087383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 383780790377 - 2⁶ = 383780790313 is a prime.

It is not a weakly prime, because it can be changed into another prime (383780790347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191890395188 + 191890395189.

It is an arithmetic number, because the mean of its divisors is an integer number (191890395189).

Almost surely, 2^383780790377 is an apocalyptic number.

It is an amenable number.

383780790377 is a deficient number, since it is larger than the sum of its proper divisors (1).

383780790377 is an equidigital number, since it uses as much as digits as its factorization.

383780790377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37340352, while the sum is 62.

The spelling of 383780790377 in words is "three hundred eighty-three billion, seven hundred eighty million, seven hundred ninety thousand, three hundred seventy-seven".