26086956787 has 4 divisors (see below), whose sum is σ = 26203938880. Its totient is φ = 25969974696.

The previous prime is 26086956733. The next prime is 26086956793. The reversal of 26086956787 is 78765968062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26086956787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26086953787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58490712 + ... + 58491157.

It is an arithmetic number, because the mean of its divisors is an integer number (6550984720).

Almost surely, 2^26086956787 is an apocalyptic number.

26086956787 is a deficient number, since it is larger than the sum of its proper divisors (116982093).

26086956787 is a wasteful number, since it uses less digits than its factorization.

26086956787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116982092.

The product of its (nonzero) digits is 60963840, while the sum is 64.

The spelling of 26086956787 in words is "twenty-six billion, eighty-six million, nine hundred fifty-six thousand, seven hundred eighty-seven".