455771027827 has 4 divisors (see below), whose sum is σ = 479758976680. Its totient is φ = 431783078976.

The previous prime is 455771027783. The next prime is 455771027857. The reversal of 455771027827 is 728720177554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 728720177554 = 2 ⋅364360088777.

It is a cyclic number.

It is not a de Polignac number, because 455771027827 - 2²⁷ = 455636810099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455771027857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11993974398 + ... + 11993974435.

It is an arithmetic number, because the mean of its divisors is an integer number (119939744170).

Almost surely, 2^455771027827 is an apocalyptic number.

455771027827 is a deficient number, since it is larger than the sum of its proper divisors (23987948853).

455771027827 is a wasteful number, since it uses less digits than its factorization.

455771027827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23987948852.

The product of its (nonzero) digits is 7683200, while the sum is 55.

The spelling of 455771027827 in words is "four hundred fifty-five billion, seven hundred seventy-one million, twenty-seven thousand, eight hundred twenty-seven".