115790197 has 4 divisors (see below), whose sum is σ = 116623360. Its totient is φ = 114957036.

The previous prime is 115790189. The next prime is 115790209. The reversal of 115790197 is 791097511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 791097511 = 139 ⋅5691349.

It is a cyclic number.

It is not a de Polignac number, because 115790197 - 2³ = 115790189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115790117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416373 + ... + 416650.

It is an arithmetic number, because the mean of its divisors is an integer number (29155840).

Almost surely, 2^115790197 is an apocalyptic number.

It is an amenable number.

115790197 is a deficient number, since it is larger than the sum of its proper divisors (833163).

115790197 is an equidigital number, since it uses as much as digits as its factorization.

115790197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833162.

The product of its (nonzero) digits is 19845, while the sum is 40.

The square root of 115790197 is about 10760.5853465320. The cubic root of 115790197 is about 487.4056930878.

The spelling of 115790197 in words is "one hundred fifteen million, seven hundred ninety thousand, one hundred ninety-seven".