425664027 has 6 divisors (see below), whose sum is σ = 614848052. Its totient is φ = 283776012.

The previous prime is 425663993. The next prime is 425664047. The reversal of 425664027 is 720466524.

425664027 is a `hidden beast` number, since 4 + 2 + 5 + 6 + 640 + 2 + 7 = 666.

It is not a de Polignac number, because 425664027 - 2⁷ = 425663899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425663982 and 425664000.

It is not an unprimeable number, because it can be changed into a prime (425664047) 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 in 5 ways as a sum of consecutive naturals, for example, 23647993 + ... + 23648010.

Almost surely, 2^425664027 is an apocalyptic number.

425664027 is a deficient number, since it is larger than the sum of its proper divisors (189184025).

425664027 is a wasteful number, since it uses less digits than its factorization.

425664027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47296009 (or 47296006 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 425664027 is about 20631.6268626592. The cubic root of 425664027 is about 752.2386605501.

The spelling of 425664027 in words is "four hundred twenty-five million, six hundred sixty-four thousand, twenty-seven".