427880231 has 4 divisors (see below), whose sum is σ = 432034512. Its totient is φ = 423725952.

The previous prime is 427880221. The next prime is 427880269. The reversal of 427880231 is 132088724.

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 427880231 - 2¹⁴ = 427863847 is a prime.

It is a super-2 number, since 2×427880231² = 366162984161226722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427880191 and 427880200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427880221) 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, 2076986 + ... + 2077191.

It is an arithmetic number, because the mean of its divisors is an integer number (108008628).

Almost surely, 2^427880231 is an apocalyptic number.

427880231 is a deficient number, since it is larger than the sum of its proper divisors (4154281).

427880231 is a wasteful number, since it uses less digits than its factorization.

427880231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4154280.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 427880231 is about 20685.2660364811. The cubic root of 427880231 is about 753.5419023138.

The spelling of 427880231 in words is "four hundred twenty-seven million, eight hundred eighty thousand, two hundred thirty-one".