115891773 has 8 divisors (see below), whose sum is σ = 162655200. Its totient is φ = 73194768.

The previous prime is 115891759. The next prime is 115891793. The reversal of 115891773 is 377198511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115891773 - 2¹⁶ = 115826237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115891723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016538 + ... + 1016651.

It is an arithmetic number, because the mean of its divisors is an integer number (20331900).

Almost surely, 2^115891773 is an apocalyptic number.

It is an amenable number.

115891773 is a deficient number, since it is larger than the sum of its proper divisors (46763427).

115891773 is a wasteful number, since it uses less digits than its factorization.

115891773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033211.

The product of its digits is 52920, while the sum is 42.

The square root of 115891773 is about 10765.3041294708. The cubic root of 115891773 is about 487.5481756467.

The spelling of 115891773 in words is "one hundred fifteen million, eight hundred ninety-one thousand, seven hundred seventy-three".