427115388889 has 16 divisors (see below), whose sum is σ = 492141035520. Its totient is φ = 363102719760.

The previous prime is 427115388827. The next prime is 427115388899. The reversal of 427115388889 is 988883511724.

It is a cyclic number.

It is not a de Polignac number, because 427115388889 - 2¹⁷ = 427115257817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 427115388889.

It is not an unprimeable number, because it can be changed into a prime (427115388899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34894 + ... + 924904.

It is an arithmetic number, because the mean of its divisors is an integer number (30758814720).

Almost surely, 2^427115388889 is an apocalyptic number.

It is an amenable number.

427115388889 is a deficient number, since it is larger than the sum of its proper divisors (65025646631).

427115388889 is a wasteful number, since it uses less digits than its factorization.

427115388889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890580.

The product of its digits is 30965760, while the sum is 64.

The spelling of 427115388889 in words is "four hundred twenty-seven billion, one hundred fifteen million, three hundred eighty-eight thousand, eight hundred eighty-nine".