427598879 has 4 divisors (see below), whose sum is σ = 428310960. Its totient is φ = 426886800.

The previous prime is 427598861. The next prime is 427598993. The reversal of 427598879 is 978895724.

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 427598879 - 2²⁰ = 426550303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427598179) 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, 355139 + ... + 356340.

It is an arithmetic number, because the mean of its divisors is an integer number (107077740).

Almost surely, 2^427598879 is an apocalyptic number.

427598879 is a deficient number, since it is larger than the sum of its proper divisors (712081).

427598879 is an equidigital number, since it uses as much as digits as its factorization.

427598879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712080.

The product of its digits is 10160640, while the sum is 59.

The square root of 427598879 is about 20678.4641354236. The cubic root of 427598879 is about 753.3767026528.

The spelling of 427598879 in words is "four hundred twenty-seven million, five hundred ninety-eight thousand, eight hundred seventy-nine".