427645606388 has 48 divisors (see below), whose sum is σ = 1004817657984. Its totient is φ = 153798618240.

The previous prime is 427645606379. The next prime is 427645606397. The reversal of 427645606388 is 883606546724.

It is an interprime number because it is at equal distance from previous prime (427645606379) and next prime (427645606397).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 53398295 + ... + 53406302.

It is an arithmetic number, because the mean of its divisors is an integer number (20933701208).

Almost surely, 2^427645606388 is an apocalyptic number.

It is an amenable number.

427645606388 is an abundant number, since it is smaller than the sum of its proper divisors (577172051596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427645606388 is a wasteful number, since it uses less digits than its factorization.

427645606388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106804632 (or 106804630 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 59.

The spelling of 427645606388 in words is "four hundred twenty-seven billion, six hundred forty-five million, six hundred six thousand, three hundred eighty-eight".