26327747928 has 32 divisors (see below), whose sum is σ = 66652531200. Its totient is φ = 8664827808.

The previous prime is 26327747923. The next prime is 26327747947. The reversal of 26327747928 is 82974772362.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26327747923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6941076 + ... + 6944867.

It is an arithmetic number, because the mean of its divisors is an integer number (2082891600).

Almost surely, 2^26327747928 is an apocalyptic number.

It is an amenable number.

26327747928 is an abundant number, since it is smaller than the sum of its proper divisors (40324783272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26327747928 is a wasteful number, since it uses less digits than its factorization.

26327747928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13886031 (or 13886027 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 57.

The spelling of 26327747928 in words is "twenty-six billion, three hundred twenty-seven million, seven hundred forty-seven thousand, nine hundred twenty-eight".