26286506968 has 8 divisors (see below), whose sum is σ = 49287200580. Its totient is φ = 13143253480.

The previous prime is 26286506951. The next prime is 26286506969. The reversal of 26286506968 is 86960568262.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×26286506968³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26286506969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1642906678 + ... + 1642906693.

Almost surely, 2^26286506968 is an apocalyptic number.

It is an amenable number.

26286506968 is a deficient number, since it is larger than the sum of its proper divisors (23000693612).

26286506968 is a wasteful number, since it uses less digits than its factorization.

26286506968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285813377 (or 3285813373 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 26286506968 in words is "twenty-six billion, two hundred eighty-six million, five hundred six thousand, nine hundred sixty-eight".