117775543 has 2 divisors, whose sum is σ = 117775544. Its totient is φ = 117775542.

The previous prime is 117775531. The next prime is 117775573. The reversal of 117775543 is 345577711.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117775543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117775496 and 117775505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117775513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58887771 + 58887772.

It is an arithmetic number, because the mean of its divisors is an integer number (58887772).

Almost surely, 2^117775543 is an apocalyptic number.

117775543 is a deficient number, since it is larger than the sum of its proper divisors (1).

117775543 is an equidigital number, since it uses as much as digits as its factorization.

117775543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102900, while the sum is 40.

The square root of 117775543 is about 10852.4441025973. Note that the first 3 decimals coincide. The cubic root of 117775543 is about 490.1756180165.

The spelling of 117775543 in words is "one hundred seventeen million, seven hundred seventy-five thousand, five hundred forty-three".