26487117983 has 2 divisors, whose sum is σ = 26487117984. Its totient is φ = 26487117982.

The previous prime is 26487117967. The next prime is 26487118001. The reversal of 26487117983 is 38971178462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26487117983 - 2⁴ = 26487117967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26487117913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13243558991 + 13243558992.

It is an arithmetic number, because the mean of its divisors is an integer number (13243558992).

Almost surely, 2^26487117983 is an apocalyptic number.

26487117983 is a deficient number, since it is larger than the sum of its proper divisors (1).

26487117983 is an equidigital number, since it uses as much as digits as its factorization.

26487117983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 56.

The spelling of 26487117983 in words is "twenty-six billion, four hundred eighty-seven million, one hundred seventeen thousand, nine hundred eighty-three".