26213789 has 16 divisors (see below), whose sum is σ = 31101312. Its totient is φ = 21627648.

The previous prime is 26213777. The next prime is 26213791. The reversal of 26213789 is 98731262.

It is not a de Polignac number, because 26213789 - 2⁴ = 26213773 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26213729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21377 + ... + 22569.

It is an arithmetic number, because the mean of its divisors is an integer number (1943832).

Almost surely, 2^26213789 is an apocalyptic number.

It is an amenable number.

26213789 is a deficient number, since it is larger than the sum of its proper divisors (4887523).

26213789 is a wasteful number, since it uses less digits than its factorization.

26213789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316.

The product of its digits is 36288, while the sum is 38.

The square root of 26213789 is about 5119.9403316836. The cubic root of 26213789 is about 297.0593773818.

The spelling of 26213789 in words is "twenty-six million, two hundred thirteen thousand, seven hundred eighty-nine".