427789858 has 4 divisors (see below), whose sum is σ = 641684790. Its totient is φ = 213894928.

The previous prime is 427789837. The next prime is 427789861. The reversal of 427789858 is 858987724.

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

It can be written as a sum of positive squares in only one way, i.e., 398920729 + 28869129 = 19973^2 + 5373^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106947463 + ... + 106947466.

Almost surely, 2^427789858 is an apocalyptic number.

427789858 is a deficient number, since it is larger than the sum of its proper divisors (213894932).

427789858 is a wasteful number, since it uses less digits than its factorization.

427789858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213894931.

The product of its digits is 9031680, while the sum is 58.

The square root of 427789858 is about 20683.0814435374. The cubic root of 427789858 is about 753.4888464721.

The spelling of 427789858 in words is "four hundred twenty-seven million, seven hundred eighty-nine thousand, eight hundred fifty-eight".