52427421667 has 2 divisors, whose sum is σ = 52427421668. Its totient is φ = 52427421666.

The previous prime is 52427421647. The next prime is 52427421701. The reversal of 52427421667 is 76612472425.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52427421667 - 2²⁷ = 52293203939 is a prime.

It is not a weakly prime, because it can be changed into another prime (52427421637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26213710833 + 26213710834.

It is an arithmetic number, because the mean of its divisors is an integer number (26213710834).

Almost surely, 2^52427421667 is an apocalyptic number.

52427421667 is a deficient number, since it is larger than the sum of its proper divisors (1).

52427421667 is an equidigital number, since it uses as much as digits as its factorization.

52427421667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 46.

The spelling of 52427421667 in words is "fifty-two billion, four hundred twenty-seven million, four hundred twenty-one thousand, six hundred sixty-seven".