38777000819 has 2 divisors, whose sum is σ = 38777000820. Its totient is φ = 38777000818.

The previous prime is 38777000807. The next prime is 38777000827. The reversal of 38777000819 is 91800077783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38777000819 - 2¹² = 38776996723 is a prime.

It is a super-2 number, since 2×38777000819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38777000849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19388500409 + 19388500410.

It is an arithmetic number, because the mean of its divisors is an integer number (19388500410).

Almost surely, 2^38777000819 is an apocalyptic number.

38777000819 is a deficient number, since it is larger than the sum of its proper divisors (1).

38777000819 is an equidigital number, since it uses as much as digits as its factorization.

38777000819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 50.

The spelling of 38777000819 in words is "thirty-eight billion, seven hundred seventy-seven million, eight hundred nineteen", and thus it is an aban number.