26387832791 has 2 divisors, whose sum is σ = 26387832792. Its totient is φ = 26387832790.

The previous prime is 26387832787. The next prime is 26387832811. The reversal of 26387832791 is 19723878362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26387832791 - 2² = 26387832787 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26387832391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13193916395 + 13193916396.

It is an arithmetic number, because the mean of its divisors is an integer number (13193916396).

Almost surely, 2^26387832791 is an apocalyptic number.

26387832791 is a deficient number, since it is larger than the sum of its proper divisors (1).

26387832791 is an equidigital number, since it uses as much as digits as its factorization.

26387832791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 56.

The spelling of 26387832791 in words is "twenty-six billion, three hundred eighty-seven million, eight hundred thirty-two thousand, seven hundred ninety-one".