427607879 has 2 divisors, whose sum is σ = 427607880. Its totient is φ = 427607878.

The previous prime is 427607849. The next prime is 427607911. The reversal of 427607879 is 978706724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427607879 - 2²⁴ = 410830663 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427607839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213803939 + 213803940.

It is an arithmetic number, because the mean of its divisors is an integer number (213803940).

Almost surely, 2^427607879 is an apocalyptic number.

427607879 is a deficient number, since it is larger than the sum of its proper divisors (1).

427607879 is an equidigital number, since it uses as much as digits as its factorization.

427607879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The square root of 427607879 is about 20678.6817519880. The cubic root of 427607879 is about 753.3819882472.

The spelling of 427607879 in words is "four hundred twenty-seven million, six hundred seven thousand, eight hundred seventy-nine".