26481387 has 8 divisors (see below), whose sum is σ = 35333440. Its totient is φ = 17641800.

The previous prime is 26481373. The next prime is 26481391. The reversal of 26481387 is 78318462.

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

It is not a de Polignac number, because 26481387 - 2¹¹ = 26479339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26481187) 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, 4512 + ... + 8562.

It is an arithmetic number, because the mean of its divisors is an integer number (4416680).

Almost surely, 2^26481387 is an apocalyptic number.

26481387 is a deficient number, since it is larger than the sum of its proper divisors (8852053).

26481387 is a wasteful number, since it uses less digits than its factorization.

26481387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6233.

The product of its digits is 64512, while the sum is 39.

The square root of 26481387 is about 5146.0068985574. The cubic root of 26481387 is about 298.0667800731.

The spelling of 26481387 in words is "twenty-six million, four hundred eighty-one thousand, three hundred eighty-seven".