26777897073 has 12 divisors (see below), whose sum is σ = 39408981300. Its totient is φ = 17515102176.

The previous prime is 26777896979. The next prime is 26777897087. The reversal of 26777897073 is 37079877762.

It can be written as a sum of positive squares in 2 ways, for example, as 17085888369 + 9692008704 = 130713^2 + 98448^2 .

It is not a de Polignac number, because 26777897073 - 2²⁵ = 26744342641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26777897073.

It is not an unprimeable number, because it can be changed into a prime (26777897173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28068598 + ... + 28069551.

It is an arithmetic number, because the mean of its divisors is an integer number (3284081775).

Almost surely, 2^26777897073 is an apocalyptic number.

It is an amenable number.

26777897073 is a deficient number, since it is larger than the sum of its proper divisors (12631084227).

26777897073 is a wasteful number, since it uses less digits than its factorization.

26777897073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56138208 (or 56138205 counting only the distinct ones).

The product of its (nonzero) digits is 43563744, while the sum is 63.

It can be divided in two parts, 2677789 and 7073, that added together give a palindrome (2684862).

The spelling of 26777897073 in words is "twenty-six billion, seven hundred seventy-seven million, eight hundred ninety-seven thousand, seventy-three".