26797693 has 4 divisors (see below), whose sum is σ = 28859068. Its totient is φ = 24736320.

The previous prime is 26797681. The next prime is 26797697. The reversal of 26797693 is 39679762.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9132484 + 17665209 = 3022^2 + 4203^2 .

It is a cyclic number.

It is not a de Polignac number, because 26797693 - 2¹⁷ = 26666621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26797697) 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, 1030668 + ... + 1030693.

It is an arithmetic number, because the mean of its divisors is an integer number (7214767).

Almost surely, 2^26797693 is an apocalyptic number.

It is an amenable number.

26797693 is a deficient number, since it is larger than the sum of its proper divisors (2061375).

26797693 is a wasteful number, since it uses less digits than its factorization.

26797693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061374.

The product of its digits is 857304, while the sum is 49.

The square root of 26797693 is about 5176.6488194584. The cubic root of 26797693 is about 299.2488355579.

The spelling of 26797693 in words is "twenty-six million, seven hundred ninety-seven thousand, six hundred ninety-three".