26340709677 has 4 divisors (see below), whose sum is σ = 35120946240. Its totient is φ = 17560473116.

The previous prime is 26340709651. The next prime is 26340709691. The reversal of 26340709677 is 77690704362.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26340709677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26340709607) 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, 4390118277 + ... + 4390118282.

It is an arithmetic number, because the mean of its divisors is an integer number (8780236560).

Almost surely, 2^26340709677 is an apocalyptic number.

It is an amenable number.

26340709677 is a deficient number, since it is larger than the sum of its proper divisors (8780236563).

26340709677 is an equidigital number, since it uses as much as digits as its factorization.

26340709677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8780236562.

The product of its (nonzero) digits is 2667168, while the sum is 51.

The spelling of 26340709677 in words is "twenty-six billion, three hundred forty million, seven hundred nine thousand, six hundred seventy-seven".