117278261983 has 2 divisors, whose sum is σ = 117278261984. Its totient is φ = 117278261982.

The previous prime is 117278261977. The next prime is 117278261993. The reversal of 117278261983 is 389162872711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117278261983 - 2⁵ = 117278261951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117278261993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58639130991 + 58639130992.

It is an arithmetic number, because the mean of its divisors is an integer number (58639130992).

Almost surely, 2^117278261983 is an apocalyptic number.

117278261983 is a deficient number, since it is larger than the sum of its proper divisors (1).

117278261983 is an equidigital number, since it uses as much as digits as its factorization.

117278261983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 55.

The spelling of 117278261983 in words is "one hundred seventeen billion, two hundred seventy-eight million, two hundred sixty-one thousand, nine hundred eighty-three".