427799635071 has 4 divisors (see below), whose sum is σ = 570399513432. Its totient is φ = 285199756712.

The previous prime is 427799635057. The next prime is 427799635121. The reversal of 427799635071 is 170536997724.

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 427799635071 - 2⁷ = 427799634943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 427799634996 and 427799635014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427799635271) 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, 71299939176 + ... + 71299939181.

It is an arithmetic number, because the mean of its divisors is an integer number (142599878358).

Almost surely, 2^427799635071 is an apocalyptic number.

427799635071 is a deficient number, since it is larger than the sum of its proper divisors (142599878361).

427799635071 is a wasteful number, since it uses less digits than its factorization.

427799635071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142599878360.

The product of its (nonzero) digits is 20003760, while the sum is 60.

The spelling of 427799635071 in words is "four hundred twenty-seven billion, seven hundred ninety-nine million, six hundred thirty-five thousand, seventy-one".