26662224047 has 4 divisors (see below), whose sum is σ = 26720060136. Its totient is φ = 26604387960.

The previous prime is 26662224037. The next prime is 26662224103. The reversal of 26662224047 is 74042226662.

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 26662224047 - 2⁶ = 26662223983 is a prime.

It is a super-2 number, since 2×26662224047² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26662223995 and 26662224013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26662224037) 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, 28917353 + ... + 28918274.

It is an arithmetic number, because the mean of its divisors is an integer number (6680015034).

Almost surely, 2^26662224047 is an apocalyptic number.

26662224047 is a deficient number, since it is larger than the sum of its proper divisors (57836089).

26662224047 is an equidigital number, since it uses as much as digits as its factorization.

26662224047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57836088.

The product of its (nonzero) digits is 387072, while the sum is 41.

The spelling of 26662224047 in words is "twenty-six billion, six hundred sixty-two million, two hundred twenty-four thousand, forty-seven".