115379783 has 4 divisors (see below), whose sum is σ = 117834720. Its totient is φ = 112924848.

The previous prime is 115379779. The next prime is 115379791. The reversal of 115379783 is 387973511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 387973511 = 151 ⋅2569361.

It is a cyclic number.

It is not a de Polignac number, because 115379783 - 2² = 115379779 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 (115379773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1227398 + ... + 1227491.

It is an arithmetic number, because the mean of its divisors is an integer number (29458680).

Almost surely, 2^115379783 is an apocalyptic number.

115379783 is a deficient number, since it is larger than the sum of its proper divisors (2454937).

115379783 is an equidigital number, since it uses as much as digits as its factorization.

115379783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454936.

The product of its digits is 158760, while the sum is 44.

The square root of 115379783 is about 10741.4981729738. The cubic root of 115379783 is about 486.8291476509.

The spelling of 115379783 in words is "one hundred fifteen million, three hundred seventy-nine thousand, seven hundred eighty-three".