27780575795 has 16 divisors (see below), whose sum is σ = 38207021760. Its totient is φ = 18995564544.

The previous prime is 27780575759. The next prime is 27780575827. The reversal of 27780575795 is 59757508772.

It is a cyclic number.

It is not a de Polignac number, because 27780575795 - 2⁶ = 27780575731 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1111910 + ... + 1136619.

It is an arithmetic number, because the mean of its divisors is an integer number (2387938860).

Almost surely, 2^27780575795 is an apocalyptic number.

27780575795 is a deficient number, since it is larger than the sum of its proper divisors (10426445965).

27780575795 is a wasteful number, since it uses less digits than its factorization.

27780575795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248894.

The product of its (nonzero) digits is 43218000, while the sum is 62.

The spelling of 27780575795 in words is "twenty-seven billion, seven hundred eighty million, five hundred seventy-five thousand, seven hundred ninety-five".