427876199 has 4 divisors (see below), whose sum is σ = 446479536. Its totient is φ = 409272864.

The previous prime is 427876157. The next prime is 427876231. The reversal of 427876199 is 991678724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427876199 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 427876199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427876129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9301634 + ... + 9301679.

It is an arithmetic number, because the mean of its divisors is an integer number (111619884).

Almost surely, 2^427876199 is an apocalyptic number.

427876199 is a deficient number, since it is larger than the sum of its proper divisors (18603337).

427876199 is a wasteful number, since it uses less digits than its factorization.

427876199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18603336.

The product of its digits is 1524096, while the sum is 53.

The square root of 427876199 is about 20685.1685755761. The cubic root of 427876199 is about 753.5395353816.

The spelling of 427876199 in words is "four hundred twenty-seven million, eight hundred seventy-six thousand, one hundred ninety-nine".