26872099 has 4 divisors (see below), whose sum is σ = 28286440. Its totient is φ = 25457760.

The previous prime is 26872093. The next prime is 26872117. The reversal of 26872099 is 99027862.

It is a happy number.

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 26872099 - 2⁹ = 26871587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26872093) 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, 707142 + ... + 707179.

It is an arithmetic number, because the mean of its divisors is an integer number (7071610).

Almost surely, 2^26872099 is an apocalyptic number.

26872099 is a deficient number, since it is larger than the sum of its proper divisors (1414341).

26872099 is a wasteful number, since it uses less digits than its factorization.

26872099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414340.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 26872099 is about 5183.8305334955. The cubic root of 26872099 is about 299.5255426222.

The spelling of 26872099 in words is "twenty-six million, eight hundred seventy-two thousand, ninety-nine".