427798089 has 12 divisors (see below), whose sum is σ = 631078656. Its totient is φ = 279130392.

The previous prime is 427798079. The next prime is 427798093. The reversal of 427798089 is 980897724.

It is not a de Polignac number, because 427798089 - 2⁴ = 427798073 is a prime.

It is a super-2 number, since 2×427798089² = 366022409904103842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427798009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505249 + ... + 506094.

It is an arithmetic number, because the mean of its divisors is an integer number (52589888).

Almost surely, 2^427798089 is an apocalyptic number.

It is an amenable number.

427798089 is a deficient number, since it is larger than the sum of its proper divisors (203280567).

427798089 is a wasteful number, since it uses less digits than its factorization.

427798089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011396 (or 1011393 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 427798089 is about 20683.2804216352. The cubic root of 427798089 is about 753.4936790060.

The spelling of 427798089 in words is "four hundred twenty-seven million, seven hundred ninety-eight thousand, eighty-nine".