26776661404 has 12 divisors (see below), whose sum is σ = 47297094264. Its totient is φ = 13263205904.

The previous prime is 26776661381. The next prime is 26776661441. The reversal of 26776661404 is 40416667762.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 31280719 + ... + 31281574.

It is an arithmetic number, because the mean of its divisors is an integer number (3941424522).

Almost surely, 2^26776661404 is an apocalyptic number.

It is an amenable number.

26776661404 is a deficient number, since it is larger than the sum of its proper divisors (20520432860).

26776661404 is a wasteful number, since it uses less digits than its factorization.

26776661404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62562404 (or 62562402 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 26776661404 in words is "twenty-six billion, seven hundred seventy-six million, six hundred sixty-one thousand, four hundred four".