115778293 has 2 divisors, whose sum is σ = 115778294. Its totient is φ = 115778292.

The previous prime is 115778287. The next prime is 115778321. The reversal of 115778293 is 392877511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85988529 + 29789764 = 9273^2 + 5458^2 .

It is a cyclic number.

It is not a de Polignac number, because 115778293 - 2¹⁷ = 115647221 is a prime.

It is a super-2 number, since 2×115778293² = 26809226259987698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115778203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57889146 + 57889147.

It is an arithmetic number, because the mean of its divisors is an integer number (57889147).

Almost surely, 2^115778293 is an apocalyptic number.

It is an amenable number.

115778293 is a deficient number, since it is larger than the sum of its proper divisors (1).

115778293 is an equidigital number, since it uses as much as digits as its factorization.

115778293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 43.

The square root of 115778293 is about 10760.0322025540. The cubic root of 115778293 is about 487.3889896697.

The spelling of 115778293 in words is "one hundred fifteen million, seven hundred seventy-eight thousand, two hundred ninety-three".