26447527645 has 16 divisors (see below), whose sum is σ = 39568249728. Its totient is φ = 16486770240.

The previous prime is 26447527633. The next prime is 26447527693. The reversal of 26447527645 is 54672574462.

It is not a de Polignac number, because 26447527645 - 2²³ = 26439139037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26447527592 and 26447527601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34347054 + ... + 34347823.

It is an arithmetic number, because the mean of its divisors is an integer number (2473015608).

Almost surely, 2^26447527645 is an apocalyptic number.

It is an amenable number.

26447527645 is a deficient number, since it is larger than the sum of its proper divisors (13120722083).

26447527645 is a wasteful number, since it uses less digits than its factorization.

26447527645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68694900.

The product of its digits is 11289600, while the sum is 52.

The spelling of 26447527645 in words is "twenty-six billion, four hundred forty-seven million, five hundred twenty-seven thousand, six hundred forty-five".