427884279 has 8 divisors (see below), whose sum is σ = 570646272. Its totient is φ = 285189240.

The previous prime is 427884257. The next prime is 427884293. The reversal of 427884279 is 972488724.

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

It is not a de Polignac number, because 427884279 - 2⁷ = 427884151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427884239) 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, 802 + ... + 29264.

It is an arithmetic number, because the mean of its divisors is an integer number (71330784).

Almost surely, 2^427884279 is an apocalyptic number.

427884279 is a deficient number, since it is larger than the sum of its proper divisors (142761993).

427884279 is a wasteful number, since it uses less digits than its factorization.

427884279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33477.

The product of its digits is 1806336, while the sum is 51.

The square root of 427884279 is about 20685.3638836739. The cubic root of 427884279 is about 753.5442786237.

The spelling of 427884279 in words is "four hundred twenty-seven million, eight hundred eighty-four thousand, two hundred seventy-nine".