26776664252 has 48 divisors (see below), whose sum is σ = 52102106112. Its totient is φ = 11961976320.

The previous prime is 26776664251. The next prime is 26776664287. The reversal of 26776664252 is 25246667762.

It is a junction number, because it is equal to n+sod(n) for n = 26776664194 and 26776664203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26776664251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221318 + ... + 320210.

It is an arithmetic number, because the mean of its divisors is an integer number (1085460544).

Almost surely, 2^26776664252 is an apocalyptic number.

It is an amenable number.

26776664252 is a deficient number, since it is larger than the sum of its proper divisors (25325441860).

26776664252 is a wasteful number, since it uses less digits than its factorization.

26776664252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99078 (or 99076 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 53.

The spelling of 26776664252 in words is "twenty-six billion, seven hundred seventy-six million, six hundred sixty-four thousand, two hundred fifty-two".