26746511871 has 4 divisors (see below), whose sum is σ = 35662015832. Its totient is φ = 17831007912.

The previous prime is 26746511867. The next prime is 26746511881. The reversal of 26746511871 is 17811564762.

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

It is not a de Polignac number, because 26746511871 - 2² = 26746511867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26746511871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26746511821) 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, 4457751976 + ... + 4457751981.

It is an arithmetic number, because the mean of its divisors is an integer number (8915503958).

Almost surely, 2^26746511871 is an apocalyptic number.

26746511871 is a deficient number, since it is larger than the sum of its proper divisors (8915503961).

26746511871 is an equidigital number, since it uses as much as digits as its factorization.

26746511871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8915503960.

The product of its digits is 564480, while the sum is 48.

The spelling of 26746511871 in words is "twenty-six billion, seven hundred forty-six million, five hundred eleven thousand, eight hundred seventy-one".