427224045877 has 2 divisors, whose sum is σ = 427224045878. Its totient is φ = 427224045876.

The previous prime is 427224045869. The next prime is 427224045883. The reversal of 427224045877 is 778540422724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253813432401 + 173410613476 = 503799^2 + 416426^2 .

It is a cyclic number.

It is not a de Polignac number, because 427224045877 - 2³ = 427224045869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427224045847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213612022938 + 213612022939.

It is an arithmetic number, because the mean of its divisors is an integer number (213612022939).

Almost surely, 2^427224045877 is an apocalyptic number.

It is an amenable number.

427224045877 is a deficient number, since it is larger than the sum of its proper divisors (1).

427224045877 is an equidigital number, since it uses as much as digits as its factorization.

427224045877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7024640, while the sum is 52.

The spelling of 427224045877 in words is "four hundred twenty-seven billion, two hundred twenty-four million, forty-five thousand, eight hundred seventy-seven".