427748879258 has 4 divisors (see below), whose sum is σ = 641623318890. Its totient is φ = 213874439628.

The previous prime is 427748879227. The next prime is 427748879267. The reversal of 427748879258 is 852978847724.

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., 290513454049 + 137235425209 = 538993^2 + 370453^2 .

It is a junction number, because it is equal to n+sod(n) for n = 427748879191 and 427748879200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106937219813 + ... + 106937219816.

Almost surely, 2^427748879258 is an apocalyptic number.

427748879258 is a deficient number, since it is larger than the sum of its proper divisors (213874439632).

427748879258 is a wasteful number, since it uses less digits than its factorization.

427748879258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213874439631.

The product of its digits is 505774080, while the sum is 71.

The spelling of 427748879258 in words is "four hundred twenty-seven billion, seven hundred forty-eight million, eight hundred seventy-nine thousand, two hundred fifty-eight".