427876045 has 4 divisors (see below), whose sum is σ = 513451260. Its totient is φ = 342300832.

The previous prime is 427876027. The next prime is 427876117. The reversal of 427876045 is 540678724.

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

It can be written as a sum of positive squares in 2 ways, for example, as 255584169 + 172291876 = 15987^2 + 13126^2 .

It is a cyclic number.

It is not a de Polignac number, because 427876045 - 2⁵ = 427876013 is a prime.

It is a super-3 number, since 3×427876045³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 427875992 and 427876010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42787600 + ... + 42787609.

It is an arithmetic number, because the mean of its divisors is an integer number (128362815).

Almost surely, 2^427876045 is an apocalyptic number.

It is an amenable number.

427876045 is a deficient number, since it is larger than the sum of its proper divisors (85575215).

427876045 is an equidigital number, since it uses as much as digits as its factorization.

427876045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85575214.

The product of its (nonzero) digits is 376320, while the sum is 43.

The square root of 427876045 is about 20685.1648531018. The cubic root of 427876045 is about 753.5394449777.

The spelling of 427876045 in words is "four hundred twenty-seven million, eight hundred seventy-six thousand, forty-five".