26387832788 has 12 divisors (see below), whose sum is σ = 46188002112. Its totient is φ = 13191260760.

The previous prime is 26387832787. The next prime is 26387832791. The reversal of 26387832788 is 88723878362.

It is a self number, because there is not a number n which added to its sum of digits gives 26387832788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26387832787) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 641468 + ... + 681363.

It is an arithmetic number, because the mean of its divisors is an integer number (3849000176).

Almost surely, 2^26387832788 is an apocalyptic number.

It is an amenable number.

26387832788 is a deficient number, since it is larger than the sum of its proper divisors (19800169324).

26387832788 is a wasteful number, since it uses less digits than its factorization.

26387832788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327822 (or 1327820 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 62.

The spelling of 26387832788 in words is "twenty-six billion, three hundred eighty-seven million, eight hundred thirty-two thousand, seven hundred eighty-eight".