26778112 has 20 divisors (see below), whose sum is σ = 53504946. Its totient is φ = 13388800.

The previous prime is 26778083. The next prime is 26778113. The reversal of 26778112 is 21187762.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17438976 + 9339136 = 4176^2 + 3056^2 .

It is not an unprimeable number, because it can be changed into a prime (26778113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25639 + ... + 26662.

Almost surely, 2^26778112 is an apocalyptic number.

It is an amenable number.

26778112 is a deficient number, since it is larger than the sum of its proper divisors (26726834).

26778112 is an frugal number, since it uses more digits than its factorization.

26778112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52319 (or 52303 counting only the distinct ones).

The product of its digits is 9408, while the sum is 34.

The square root of 26778112 is about 5174.7571923714. The cubic root of 26778112 is about 299.1759310330.

The spelling of 26778112 in words is "twenty-six million, seven hundred seventy-eight thousand, one hundred twelve".