26825657966 has 4 divisors (see below), whose sum is σ = 40238486952. Its totient is φ = 13412828982.

The previous prime is 26825657959. The next prime is 26825657987. The reversal of 26825657966 is 66975652862.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 26825657899 and 26825657908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6706414490 + ... + 6706414493.

It is an arithmetic number, because the mean of its divisors is an integer number (10059621738).

Almost surely, 2^26825657966 is an apocalyptic number.

26825657966 is a deficient number, since it is larger than the sum of its proper divisors (13412828986).

26825657966 is a wasteful number, since it uses less digits than its factorization.

26825657966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13412828985.

The product of its digits is 65318400, while the sum is 62.

The spelling of 26825657966 in words is "twenty-six billion, eight hundred twenty-five million, six hundred fifty-seven thousand, nine hundred sixty-six".