26620117 has 4 divisors (see below), whose sum is σ = 26823456. Its totient is φ = 26416780.

The previous prime is 26620073. The next prime is 26620123. The reversal of 26620117 is 71102662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26620117 - 2²³ = 18231509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26620091 and 26620100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26620157) 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, 101473 + ... + 101734.

It is an arithmetic number, because the mean of its divisors is an integer number (6705864).

Almost surely, 2^26620117 is an apocalyptic number.

It is an amenable number.

26620117 is a deficient number, since it is larger than the sum of its proper divisors (203339).

26620117 is a wasteful number, since it uses less digits than its factorization.

26620117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203338.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 26620117 is about 5159.4686741950. The cubic root of 26620117 is about 298.5863752723.

Adding to 26620117 its reverse (71102662), we get a palindrome (97722779).

The spelling of 26620117 in words is "twenty-six million, six hundred twenty thousand, one hundred seventeen".