427101202605 has 128 divisors (see below), whose sum is σ = 871865266176. Its totient is φ = 174843567360.

The previous prime is 427101202589. The next prime is 427101202609. The reversal of 427101202605 is 506202101724.

427101202605 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 427101202605 - 2⁴ = 427101202589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427101202609) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9340779 + ... + 9386391.

It is an arithmetic number, because the mean of its divisors is an integer number (6811447392).

Almost surely, 2^427101202605 is an apocalyptic number.

It is an amenable number.

427101202605 is an abundant number, since it is smaller than the sum of its proper divisors (444764063571).

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

427101202605 is a wasteful number, since it uses less digits than its factorization.

427101202605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45728 (or 45706 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 427101202605 in words is "four hundred twenty-seven billion, one hundred one million, two hundred two thousand, six hundred five".