115457773 has 2 divisors, whose sum is σ = 115457774. Its totient is φ = 115457772.

The previous prime is 115457753. The next prime is 115457779. The reversal of 115457773 is 377754511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77475204 + 37982569 = 8802^2 + 6163^2 .

It is an emirp because it is prime and its reverse (377754511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115457773 - 2⁹ = 115457261 is a prime.

It is a super-2 number, since 2×115457773² = 26660994692239058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115457779) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57728886 + 57728887.

It is an arithmetic number, because the mean of its divisors is an integer number (57728887).

Almost surely, 2^115457773 is an apocalyptic number.

It is an amenable number.

115457773 is a deficient number, since it is larger than the sum of its proper divisors (1).

115457773 is an equidigital number, since it uses as much as digits as its factorization.

115457773 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 115457773 is about 10745.1278726686. The cubic root of 115457773 is about 486.9388123101.

The spelling of 115457773 in words is "one hundred fifteen million, four hundred fifty-seven thousand, seven hundred seventy-three".