427029445117 has 16 divisors (see below), whose sum is σ = 477719648640. Its totient is φ = 378440339200.

The previous prime is 427029445109. The next prime is 427029445123. The reversal of 427029445117 is 711544920724.

It is a happy number.

It is not a de Polignac number, because 427029445117 - 2³ = 427029445109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427029445177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3002248 + ... + 3141265.

It is an arithmetic number, because the mean of its divisors is an integer number (29857478040).

Almost surely, 2^427029445117 is an apocalyptic number.

It is an amenable number.

427029445117 is a deficient number, since it is larger than the sum of its proper divisors (50690203523).

427029445117 is a wasteful number, since it uses less digits than its factorization.

427029445117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6143684.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 427029445117 in words is "four hundred twenty-seven billion, twenty-nine million, four hundred forty-five thousand, one hundred seventeen".