115306077 has 4 divisors (see below), whose sum is σ = 153741440. Its totient is φ = 76870716.

The previous prime is 115306073. The next prime is 115306099. The reversal of 115306077 is 770603511.

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: 770603511 = 3 ⋅256867837.

It is not a de Polignac number, because 115306077 - 2² = 115306073 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 (115306073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19217677 + ... + 19217682.

It is an arithmetic number, because the mean of its divisors is an integer number (38435360).

Almost surely, 2^115306077 is an apocalyptic number.

It is an amenable number.

115306077 is a deficient number, since it is larger than the sum of its proper divisors (38435363).

115306077 is an equidigital number, since it uses as much as digits as its factorization.

115306077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38435362.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 115306077 is about 10738.0667254399. The cubic root of 115306077 is about 486.7254614544.

Adding to 115306077 its reverse (770603511), we get a palindrome (885909588).

The spelling of 115306077 in words is "one hundred fifteen million, three hundred six thousand, seventy-seven".