115447793 has 2 divisors, whose sum is σ = 115447794. Its totient is φ = 115447792.

The previous prime is 115447789. The next prime is 115447861. The reversal of 115447793 is 397744511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76597504 + 38850289 = 8752^2 + 6233^2 .

It is an emirp because it is prime and its reverse (397744511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115447793 - 2² = 115447789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115447793.

It is not a weakly prime, because it can be changed into another prime (115447723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57723896 + 57723897.

It is an arithmetic number, because the mean of its divisors is an integer number (57723897).

Almost surely, 2^115447793 is an apocalyptic number.

It is an amenable number.

115447793 is a deficient number, since it is larger than the sum of its proper divisors (1).

115447793 is an equidigital number, since it uses as much as digits as its factorization.

115447793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 41.

The square root of 115447793 is about 10744.6634661119. The cubic root of 115447793 is about 486.9247818144.

The spelling of 115447793 in words is "one hundred fifteen million, four hundred forty-seven thousand, seven hundred ninety-three".