26326091787 has 8 divisors (see below), whose sum is σ = 35429507136. Its totient is φ = 17386702152.

The previous prime is 26326091783. The next prime is 26326091791. The reversal of 26326091787 is 78719062362.

It is an interprime number because it is at equal distance from previous prime (26326091783) and next prime (26326091791).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26326091787 - 2² = 26326091783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26326091783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41006053 + ... + 41006694.

It is an arithmetic number, because the mean of its divisors is an integer number (4428688392).

Almost surely, 2^26326091787 is an apocalyptic number.

26326091787 is a deficient number, since it is larger than the sum of its proper divisors (9103415349).

26326091787 is a wasteful number, since it uses less digits than its factorization.

26326091787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82012857.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 26326091787 in words is "twenty-six billion, three hundred twenty-six million, ninety-one thousand, seven hundred eighty-seven".