427111197 has 8 divisors (see below), whose sum is σ = 569770656. Its totient is φ = 284596272.

The previous prime is 427111189. The next prime is 427111199. The reversal of 427111197 is 791111724.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 427111197 - 2³ = 427111189 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427111199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29038 + ... + 41199.

It is an arithmetic number, because the mean of its divisors is an integer number (71221332).

Almost surely, 2^427111197 is an apocalyptic number.

It is an amenable number.

427111197 is a deficient number, since it is larger than the sum of its proper divisors (142659459).

427111197 is a wasteful number, since it uses less digits than its factorization.

427111197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72267.

The product of its digits is 3528, while the sum is 33.

The square root of 427111197 is about 20666.6687446236. The cubic root of 427111197 is about 753.0901817710.

The spelling of 427111197 in words is "four hundred twenty-seven million, one hundred eleven thousand, one hundred ninety-seven".