118280783 has 2 divisors, whose sum is σ = 118280784. Its totient is φ = 118280782.

The previous prime is 118280759. The next prime is 118280791. The reversal of 118280783 is 387082811.

It is a strong prime.

It is an emirp because it is prime and its reverse (387082811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118280783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118280483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59140391 + 59140392.

It is an arithmetic number, because the mean of its divisors is an integer number (59140392).

Almost surely, 2^118280783 is an apocalyptic number.

118280783 is a deficient number, since it is larger than the sum of its proper divisors (1).

118280783 is an equidigital number, since it uses as much as digits as its factorization.

118280783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 118280783 is about 10875.6968972108. The cubic root of 118280783 is about 490.8755455452.

The spelling of 118280783 in words is "one hundred eighteen million, two hundred eighty thousand, seven hundred eighty-three".