427431079 has 2 divisors, whose sum is σ = 427431080. Its totient is φ = 427431078.

The previous prime is 427431077. The next prime is 427431083. The reversal of 427431079 is 970134724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427431079 - 2¹ = 427431077 is a prime.

Together with 427431077, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427431077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213715539 + 213715540.

It is an arithmetic number, because the mean of its divisors is an integer number (213715540).

Almost surely, 2^427431079 is an apocalyptic number.

427431079 is a deficient number, since it is larger than the sum of its proper divisors (1).

427431079 is an equidigital number, since it uses as much as digits as its factorization.

427431079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 427431079 is about 20674.4063760003. The cubic root of 427431079 is about 753.2781420962.

It can be divided in two parts, 4274 and 31079, that added together give a palindrome (35353).

The spelling of 427431079 in words is "four hundred twenty-seven million, four hundred thirty-one thousand, seventy-nine".