427086859290 has 128 divisors (see below), whose sum is σ = 1262707729920. Its totient is φ = 90027859968.

The previous prime is 427086859289. The next prime is 427086859301. The reversal of 427086859290 is 92958680724.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2923506 + ... + 3066114.

It is an arithmetic number, because the mean of its divisors is an integer number (9864904140).

Almost surely, 2^427086859290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427086859290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631353864960).

427086859290 is an abundant number, since it is smaller than the sum of its proper divisors (835620870630).

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

427086859290 is a wasteful number, since it uses less digits than its factorization.

427086859290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143736.

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 427086859290 in words is "four hundred twenty-seven billion, eighty-six million, eight hundred fifty-nine thousand, two hundred ninety".