26801387 has 4 divisors (see below), whose sum is σ = 27240816. Its totient is φ = 26361960.

The previous prime is 26801377. The next prime is 26801393. The reversal of 26801387 is 78310862.

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

It is a cyclic number.

It is not a de Polignac number, because 26801387 - 2⁶ = 26801323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26801317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219623 + ... + 219744.

It is an arithmetic number, because the mean of its divisors is an integer number (6810204).

Almost surely, 2^26801387 is an apocalyptic number.

26801387 is a deficient number, since it is larger than the sum of its proper divisors (439429).

26801387 is an equidigital number, since it uses as much as digits as its factorization.

26801387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439428.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 26801387 is about 5177.0056016968. The cubic root of 26801387 is about 299.2625851794.

The spelling of 26801387 in words is "twenty-six million, eight hundred one thousand, three hundred eighty-seven".