115078783 has 2 divisors, whose sum is σ = 115078784. Its totient is φ = 115078782.

The previous prime is 115078781. The next prime is 115078807. The reversal of 115078783 is 387870511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115078783 - 2¹ = 115078781 is a prime.

It is a super-2 number, since 2×115078783² = 26486252593522178, which contains 22 as substring.

Together with 115078781, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115078781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57539391 + 57539392.

It is an arithmetic number, because the mean of its divisors is an integer number (57539392).

Almost surely, 2^115078783 is an apocalyptic number.

115078783 is a deficient number, since it is larger than the sum of its proper divisors (1).

115078783 is an equidigital number, since it uses as much as digits as its factorization.

115078783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 40.

The square root of 115078783 is about 10727.4779421819. The cubic root of 115078783 is about 486.4054362611.

The spelling of 115078783 in words is "one hundred fifteen million, seventy-eight thousand, seven hundred eighty-three".