26828463 has 4 divisors (see below), whose sum is σ = 35771288. Its totient is φ = 17885640.

The previous prime is 26828453. The next prime is 26828491. The reversal of 26828463 is 36482862.

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

It is not a de Polignac number, because 26828463 - 2⁴ = 26828447 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 (26828413) 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, 4471408 + ... + 4471413.

It is an arithmetic number, because the mean of its divisors is an integer number (8942822).

Almost surely, 2^26828463 is an apocalyptic number.

26828463 is a deficient number, since it is larger than the sum of its proper divisors (8942825).

26828463 is an equidigital number, since it uses as much as digits as its factorization.

26828463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8942824.

The product of its digits is 110592, while the sum is 39.

The square root of 26828463 is about 5179.6199667543. The cubic root of 26828463 is about 299.3633275610.

The spelling of 26828463 in words is "twenty-six million, eight hundred twenty-eight thousand, four hundred sixty-three".