427308730385 has 32 divisors (see below), whose sum is σ = 528746227200. Its totient is φ = 331273152000.

The previous prime is 427308730361. The next prime is 427308730391. The reversal of 427308730385 is 583037803724.

It is not a de Polignac number, because 427308730385 - 2⁸ = 427308730129 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 61031885 + ... + 61038885.

It is an arithmetic number, because the mean of its divisors is an integer number (16523319600).

Almost surely, 2^427308730385 is an apocalyptic number.

It is an amenable number.

427308730385 is a deficient number, since it is larger than the sum of its proper divisors (101437496815).

427308730385 is a wasteful number, since it uses less digits than its factorization.

427308730385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8321.

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 427308730385 in words is "four hundred twenty-seven billion, three hundred eight million, seven hundred thirty thousand, three hundred eighty-five".