115891793 has 2 divisors, whose sum is σ = 115891794. Its totient is φ = 115891792.

The previous prime is 115891759. The next prime is 115891799. The reversal of 115891793 is 397198511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109977169 + 5914624 = 10487^2 + 2432^2 .

It is a cyclic number.

It is not a de Polignac number, because 115891793 - 2¹⁶ = 115826257 is a prime.

It is not a weakly prime, because it can be changed into another prime (115891799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57945896 + 57945897.

It is an arithmetic number, because the mean of its divisors is an integer number (57945897).

Almost surely, 2^115891793 is an apocalyptic number.

It is an amenable number.

115891793 is a deficient number, since it is larger than the sum of its proper divisors (1).

115891793 is an equidigital number, since it uses as much as digits as its factorization.

115891793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 44.

The square root of 115891793 is about 10765.3050583808. The cubic root of 115891793 is about 487.5482036928.

The spelling of 115891793 in words is "one hundred fifteen million, eight hundred ninety-one thousand, seven hundred ninety-three".