27926776445 has 16 divisors (see below), whose sum is σ = 33915620160. Its totient is φ = 22072828800.

The previous prime is 27926776429. The next prime is 27926776447. The reversal of 27926776445 is 54467762972.

It is a happy number.

It is not a de Polignac number, because 27926776445 - 2⁴ = 27926776429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27926776447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550190 + ... + 598800.

It is an arithmetic number, because the mean of its divisors is an integer number (2119726260).

Almost surely, 2^27926776445 is an apocalyptic number.

It is an amenable number.

27926776445 is a deficient number, since it is larger than the sum of its proper divisors (5988843715).

27926776445 is a wasteful number, since it uses less digits than its factorization.

27926776445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49996.

The product of its digits is 35562240, while the sum is 59.

The spelling of 27926776445 in words is "twenty-seven billion, nine hundred twenty-six million, seven hundred seventy-six thousand, four hundred forty-five".