27774104765 has 16 divisors (see below), whose sum is σ = 36521888256. Its totient is φ = 20108760000.

The previous prime is 27774104741. The next prime is 27774104783. The reversal of 27774104765 is 56740147772.

It is not a de Polignac number, because 27774104765 - 2²² = 27769910461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1119986 + ... + 1144515.

It is an arithmetic number, because the mean of its divisors is an integer number (2282618016).

Almost surely, 2^27774104765 is an apocalyptic number.

It is an amenable number.

27774104765 is a deficient number, since it is larger than the sum of its proper divisors (8747783491).

27774104765 is a wasteful number, since it uses less digits than its factorization.

27774104765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264740.

The product of its (nonzero) digits is 2304960, while the sum is 50.

The spelling of 27774104765 in words is "twenty-seven billion, seven hundred seventy-four million, one hundred four thousand, seven hundred sixty-five".