26620099 has 4 divisors (see below), whose sum is σ = 29040120. Its totient is φ = 24200080.

The previous prime is 26620073. The next prime is 26620123. The reversal of 26620099 is 99002662.

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 26620099 - 2⁵ = 26620067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26620049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1209994 + ... + 1210015.

It is an arithmetic number, because the mean of its divisors is an integer number (7260030).

Almost surely, 2^26620099 is an apocalyptic number.

26620099 is a deficient number, since it is larger than the sum of its proper divisors (2420021).

26620099 is a wasteful number, since it uses less digits than its factorization.

26620099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420020.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 26620099 is about 5159.4669298291. The cubic root of 26620099 is about 298.5863079728.

The spelling of 26620099 in words is "twenty-six million, six hundred twenty thousand, ninety-nine".