115776773 has 4 divisors (see below), whose sum is σ = 132316320. Its totient is φ = 99237228.

The previous prime is 115776767. The next prime is 115776797. The reversal of 115776773 is 377677511.

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: 377677511 = 173 ⋅2183107.

It is a cyclic number.

It is not a de Polignac number, because 115776773 - 2¹² = 115772677 is a prime.

It is a super-2 number, since 2×115776773² = 26808522332587058, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115776763) 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, 8269763 + ... + 8269776.

It is an arithmetic number, because the mean of its divisors is an integer number (33079080).

Almost surely, 2^115776773 is an apocalyptic number.

It is an amenable number.

115776773 is a deficient number, since it is larger than the sum of its proper divisors (16539547).

115776773 is an equidigital number, since it uses as much as digits as its factorization.

115776773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16539546.

The product of its digits is 216090, while the sum is 44.

The square root of 115776773 is about 10759.9615705633. The cubic root of 115776773 is about 487.3868567583.

The spelling of 115776773 in words is "one hundred fifteen million, seven hundred seventy-six thousand, seven hundred seventy-three".