26861266 has 4 divisors (see below), whose sum is σ = 40291902. Its totient is φ = 13430632.

The previous prime is 26861257. The next prime is 26861281. The reversal of 26861266 is 66216862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26677225 + 184041 = 5165^2 + 429^2 .

It is a super-2 number, since 2×26861266² = 1443055222245512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6715315 + ... + 6715318.

Almost surely, 2^26861266 is an apocalyptic number.

26861266 is a deficient number, since it is larger than the sum of its proper divisors (13430636).

26861266 is a wasteful number, since it uses less digits than its factorization.

26861266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13430635.

The product of its digits is 41472, while the sum is 37.

The square root of 26861266 is about 5182.7855444732. The cubic root of 26861266 is about 299.4852877798.

The spelling of 26861266 in words is "twenty-six million, eight hundred sixty-one thousand, two hundred sixty-six".