427310899 has 4 divisors (see below), whose sum is σ = 431716264. Its totient is φ = 422905536.

The previous prime is 427310867. The next prime is 427310953. The reversal of 427310899 is 998013724.

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

It is a cyclic number.

It is not a de Polignac number, because 427310899 - 2⁵ = 427310867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427310839) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2202537 + ... + 2202730.

It is an arithmetic number, because the mean of its divisors is an integer number (107929066).

Almost surely, 2^427310899 is an apocalyptic number.

427310899 is a deficient number, since it is larger than the sum of its proper divisors (4405365).

427310899 is an equidigital number, since it uses as much as digits as its factorization.

427310899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4405364.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 427310899 is about 20671.4996795104. The cubic root of 427310899 is about 753.2075362079.

The spelling of 427310899 in words is "four hundred twenty-seven million, three hundred ten thousand, eight hundred ninety-nine".