26828807 has 4 divisors (see below), whose sum is σ = 27021960. Its totient is φ = 26635656.

The previous prime is 26828803. The next prime is 26828819. The reversal of 26828807 is 70882862.

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

It is a cyclic number.

It is not a de Polignac number, because 26828807 - 2² = 26828803 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 (26828803) 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, 96368 + ... + 96645.

It is an arithmetic number, because the mean of its divisors is an integer number (6755490).

Almost surely, 2^26828807 is an apocalyptic number.

26828807 is a deficient number, since it is larger than the sum of its proper divisors (193153).

26828807 is a wasteful number, since it uses less digits than its factorization.

26828807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193152.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 26828807 is about 5179.6531737173. The cubic root of 26828807 is about 299.3646070546.

The spelling of 26828807 in words is "twenty-six million, eight hundred twenty-eight thousand, eight hundred seven".