26764986765 has 16 divisors (see below), whose sum is σ = 46717068096. Its totient is φ = 12976963200.

The previous prime is 26764986757. The next prime is 26764986767. The reversal of 26764986765 is 56768946762.

It is not a de Polignac number, because 26764986765 - 2³ = 26764986757 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26764986696 and 26764986705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26764986767) 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, 81105856 + ... + 81106185.

It is an arithmetic number, because the mean of its divisors is an integer number (2919816756).

Almost surely, 2^26764986765 is an apocalyptic number.

It is an amenable number.

26764986765 is a deficient number, since it is larger than the sum of its proper divisors (19952081331).

26764986765 is a wasteful number, since it uses less digits than its factorization.

26764986765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162212060.

The product of its digits is 182891520, while the sum is 66.

The spelling of 26764986765 in words is "twenty-six billion, seven hundred sixty-four million, nine hundred eighty-six thousand, seven hundred sixty-five".