26986768 has 10 divisors (see below), whose sum is σ = 52286894. Its totient is φ = 13493376.

The previous prime is 26986763. The next prime is 26986781. The reversal of 26986768 is 86768962.

It can be written as a sum of positive squares in only one way, i.e., 19079424 + 7907344 = 4368^2 + 2812^2 .

It is not an unprimeable number, because it can be changed into a prime (26986763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 843321 + ... + 843352.

Almost surely, 2^26986768 is an apocalyptic number.

It is an amenable number.

26986768 is a deficient number, since it is larger than the sum of its proper divisors (25300126).

26986768 is a wasteful number, since it uses less digits than its factorization.

26986768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686681 (or 1686675 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 26986768 is about 5194.8790168781. The cubic root of 26986768 is about 299.9509845847.

The spelling of 26986768 in words is "twenty-six million, nine hundred eighty-six thousand, seven hundred sixty-eight".