26775612645 has 8 divisors (see below), whose sum is σ = 42840980256. Its totient is φ = 14280326736.

The previous prime is 26775612641. The next prime is 26775612683. The reversal of 26775612645 is 54621657762.

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

It is not a de Polignac number, because 26775612645 - 2² = 26775612641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26775612641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 892520407 + ... + 892520436.

It is an arithmetic number, because the mean of its divisors is an integer number (5355122532).

Almost surely, 2^26775612645 is an apocalyptic number.

It is an amenable number.

26775612645 is a deficient number, since it is larger than the sum of its proper divisors (16065367611).

26775612645 is a wasteful number, since it uses less digits than its factorization.

26775612645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785040851.

The product of its digits is 4233600, while the sum is 51.

The spelling of 26775612645 in words is "twenty-six billion, seven hundred seventy-five million, six hundred twelve thousand, six hundred forty-five".