115677778 has 16 divisors (see below), whose sum is σ = 177303744. Its totient is φ = 56588400.

The previous prime is 115677773. The next prime is 115677797. The reversal of 115677778 is 877776511.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (115677773) 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 7 ways as a sum of consecutive naturals, for example, 17376 + ... + 23092.

It is an arithmetic number, because the mean of its divisors is an integer number (11081484).

Almost surely, 2^115677778 is an apocalyptic number.

115677778 is a deficient number, since it is larger than the sum of its proper divisors (61625966).

115677778 is a wasteful number, since it uses less digits than its factorization.

115677778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5937.

The product of its digits is 576240, while the sum is 49.

The square root of 115677778 is about 10755.3604309665. The cubic root of 115677778 is about 487.2479036710.

The spelling of 115677778 in words is "one hundred fifteen million, six hundred seventy-seven thousand, seven hundred seventy-eight".