38777077783 has 2 divisors, whose sum is σ = 38777077784. Its totient is φ = 38777077782.

The previous prime is 38777077753. The next prime is 38777077811.

It is a happy number.

38777077783 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 38777077783 - 2²¹ = 38774980631 is a prime.

It is a super-2 number, since 2×38777077783² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38777077753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19388538891 + 19388538892.

It is an arithmetic number, because the mean of its divisors is an integer number (19388538892).

Almost surely, 2^38777077783 is an apocalyptic number.

38777077783 is a deficient number, since it is larger than the sum of its proper divisors (1).

38777077783 is an equidigital number, since it uses as much as digits as its factorization.

38777077783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67765824, while the sum is 64.

The spelling of 38777077783 in words is "thirty-eight billion, seven hundred seventy-seven million, seventy-seven thousand, seven hundred eighty-three".