117446636479 has 2 divisors, whose sum is σ = 117446636480. Its totient is φ = 117446636478.

The previous prime is 117446636467. The next prime is 117446636557. The reversal of 117446636479 is 974636644711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117446636479 - 2¹³ = 117446628287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117446636449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58723318239 + 58723318240.

It is an arithmetic number, because the mean of its divisors is an integer number (58723318240).

Almost surely, 2^117446636479 is an apocalyptic number.

117446636479 is a deficient number, since it is larger than the sum of its proper divisors (1).

117446636479 is an equidigital number, since it uses as much as digits as its factorization.

117446636479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18289152, while the sum is 58.

The spelling of 117446636479 in words is "one hundred seventeen billion, four hundred forty-six million, six hundred thirty-six thousand, four hundred seventy-nine".