38384090677 has 2 divisors, whose sum is σ = 38384090678. Its totient is φ = 38384090676.

The previous prime is 38384090669. The next prime is 38384090687. The reversal of 38384090677 is 77609048383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36835589476 + 1548501201 = 191926^2 + 39351^2 .

It is a cyclic number.

It is not a de Polignac number, because 38384090677 - 2³ = 38384090669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38384090617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19192045338 + 19192045339.

It is an arithmetic number, because the mean of its divisors is an integer number (19192045339).

Almost surely, 2^38384090677 is an apocalyptic number.

It is an amenable number.

38384090677 is a deficient number, since it is larger than the sum of its proper divisors (1).

38384090677 is an equidigital number, since it uses as much as digits as its factorization.

38384090677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 38384090677 in words is "thirty-eight billion, three hundred eighty-four million, ninety thousand, six hundred seventy-seven".