18777406039283 has 2 divisors, whose sum is σ = 18777406039284. Its totient is φ = 18777406039282.

The previous prime is 18777406039247. The next prime is 18777406039367. The reversal of 18777406039283 is 38293060477781.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18777406039283 - 2¹⁶ = 18777405973747 is a prime.

It is not a weakly prime, because it can be changed into another prime (18777406059283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9388703019641 + 9388703019642.

It is an arithmetic number, because the mean of its divisors is an integer number (9388703019642).

Almost surely, 2^{18777406039283} is an apocalyptic number.

18777406039283 is a deficient number, since it is larger than the sum of its proper divisors (1).

18777406039283 is an equidigital number, since it uses as much as digits as its factorization.

18777406039283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85349376, while the sum is 65.

The spelling of 18777406039283 in words is "eighteen trillion, seven hundred seventy-seven billion, four hundred six million, thirty-nine thousand, two hundred eighty-three".