427800195 has 24 divisors (see below), whose sum is σ = 742727232. Its totient is φ = 227788800.

The previous prime is 427800151. The next prime is 427800203. The reversal of 427800195 is 591008724.

It is not a de Polignac number, because 427800195 - 2⁹ = 427799683 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21430 + ... + 36260.

It is an arithmetic number, because the mean of its divisors is an integer number (30946968).

Almost surely, 2^427800195 is an apocalyptic number.

427800195 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

427800195 is a deficient number, since it is larger than the sum of its proper divisors (314927037).

427800195 is a wasteful number, since it uses less digits than its factorization.

427800195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15483 (or 15480 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 427800195 is about 20683.3313322588. The cubic root of 427800195 is about 753.4949154578.

The spelling of 427800195 in words is "four hundred twenty-seven million, eight hundred thousand, one hundred ninety-five".