5391566728227 has 32 divisors (see below), whose sum is σ = 8122491000320. Its totient is φ = 3533693364000.

The previous prime is 5391566728211. The next prime is 5391566728277. The reversal of 5391566728227 is 7228276651935.

5391566728227 is a `hidden beast` number, since 539 + 1 + 5 + 6 + 6 + 72 + 8 + 2 + 27 = 666.

It is not a de Polignac number, because 5391566728227 - 2⁴ = 5391566728211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5391566728277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2498202 + ... + 4126032.

It is an arithmetic number, because the mean of its divisors is an integer number (253827843760).

Almost surely, 2^{5391566728227} is an apocalyptic number.

5391566728227 is a deficient number, since it is larger than the sum of its proper divisors (2730924272093).

5391566728227 is a wasteful number, since it uses less digits than its factorization.

5391566728227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629912 (or 1629906 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 63.

The spelling of 5391566728227 in words is "five trillion, three hundred ninety-one billion, five hundred sixty-six million, seven hundred twenty-eight thousand, two hundred twenty-seven".