26776311812 has 6 divisors (see below), whose sum is σ = 46858545678. Its totient is φ = 13388155904.

The previous prime is 26776311803. The next prime is 26776311817. The reversal of 26776311812 is 21811367762.

It can be written as a sum of positive squares in only one way, i.e., 24852261316 + 1924050496 = 157646^2 + 43864^2 .

It is not an unprimeable number, because it can be changed into a prime (26776311817) 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 as a sum of consecutive naturals, namely, 3347038973 + ... + 3347038980.

It is an arithmetic number, because the mean of its divisors is an integer number (7809757613).

Almost surely, 2^26776311812 is an apocalyptic number.

It is an amenable number.

26776311812 is a deficient number, since it is larger than the sum of its proper divisors (20082233866).

26776311812 is a wasteful number, since it uses less digits than its factorization.

26776311812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6694077957 (or 6694077955 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The spelling of 26776311812 in words is "twenty-six billion, seven hundred seventy-six million, three hundred eleven thousand, eight hundred twelve".