26278851 has 8 divisors (see below), whose sum is σ = 35098624. Its totient is φ = 17489160.

The previous prime is 26278849. The next prime is 26278853. The reversal of 26278851 is 15887262.

It is an interprime number because it is at equal distance from previous prime (26278849) and next prime (26278853).

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

It is not a de Polignac number, because 26278851 - 2¹ = 26278849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26278853) 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, 5395 + ... + 9036.

It is an arithmetic number, because the mean of its divisors is an integer number (4387328).

Almost surely, 2^26278851 is an apocalyptic number.

26278851 is a deficient number, since it is larger than the sum of its proper divisors (8819773).

26278851 is a wasteful number, since it uses less digits than its factorization.

26278851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15041.

The product of its digits is 53760, while the sum is 39.

The square root of 26278851 is about 5126.2901790671. The cubic root of 26278851 is about 297.3049391009.

The spelling of 26278851 in words is "twenty-six million, two hundred seventy-eight thousand, eight hundred fifty-one".