427187195071 has 32 divisors (see below), whose sum is σ = 533593303040. Its totient is φ = 332983063296.

The previous prime is 427187195051. The next prime is 427187195081. The reversal of 427187195071 is 170591781724.

It is not a de Polignac number, because 427187195071 - 2⁷ = 427187194943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427187195021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3220360 + ... + 3350386.

It is an arithmetic number, because the mean of its divisors is an integer number (16674790720).

Almost surely, 2^427187195071 is an apocalyptic number.

427187195071 is a deficient number, since it is larger than the sum of its proper divisors (106406107969).

427187195071 is a wasteful number, since it uses less digits than its factorization.

427187195071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130583.

The product of its (nonzero) digits is 987840, while the sum is 52.

The spelling of 427187195071 in words is "four hundred twenty-seven billion, one hundred eighty-seven million, one hundred ninety-five thousand, seventy-one".