26397785 has 8 divisors (see below), whose sum is σ = 32351616. Its totient is φ = 20668720.

The previous prime is 26397781. The next prime is 26397793. The reversal of 26397785 is 58779362.

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

It is not a de Polignac number, because 26397785 - 2² = 26397781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26397781) 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, 55931 + ... + 56400.

It is an arithmetic number, because the mean of its divisors is an integer number (4043952).

Almost surely, 2^26397785 is an apocalyptic number.

It is an amenable number.

26397785 is a deficient number, since it is larger than the sum of its proper divisors (5953831).

26397785 is a wasteful number, since it uses less digits than its factorization.

26397785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112383.

The product of its digits is 635040, while the sum is 47.

The square root of 26397785 is about 5137.8774800495. The cubic root of 26397785 is about 297.7527828217.

The spelling of 26397785 in words is "twenty-six million, three hundred ninety-seven thousand, seven hundred eighty-five".