427385392347 has 8 divisors (see below), whose sum is σ = 569912491840. Its totient is φ = 284890943880.

The previous prime is 427385392333. The next prime is 427385392493. The reversal of 427385392347 is 743293583724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 427385392347 - 2²² = 427381198043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427385342347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8132197 + ... + 8184582.

It is an arithmetic number, because the mean of its divisors is an integer number (71239061480).

Almost surely, 2^427385392347 is an apocalyptic number.

427385392347 is a deficient number, since it is larger than the sum of its proper divisors (142527099493).

427385392347 is a wasteful number, since it uses less digits than its factorization.

427385392347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16325513.

The product of its digits is 30481920, while the sum is 57.

The spelling of 427385392347 in words is "four hundred twenty-seven billion, three hundred eighty-five million, three hundred ninety-two thousand, three hundred forty-seven".