427831604717 has 16 divisors (see below), whose sum is σ = 481987221504. Its totient is φ = 376230366000.

The previous prime is 427831604699. The next prime is 427831604719. The reversal of 427831604717 is 717406138724.

It is a cyclic number.

It is not a de Polignac number, because 427831604717 - 2²⁴ = 427814827501 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 (427831604719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 533042 + ... + 1067612.

It is an arithmetic number, because the mean of its divisors is an integer number (30124201344).

Almost surely, 2^427831604717 is an apocalyptic number.

It is an amenable number.

427831604717 is a deficient number, since it is larger than the sum of its proper divisors (54155616787).

427831604717 is a wasteful number, since it uses less digits than its factorization.

427831604717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536960.

The product of its (nonzero) digits is 1580544, while the sum is 50.

The spelling of 427831604717 in words is "four hundred twenty-seven billion, eight hundred thirty-one million, six hundred four thousand, seven hundred seventeen".