842706271 has 4 divisors (see below), whose sum is σ = 919315944. Its totient is φ = 766096600.

The previous prime is 842706257. The next prime is 842706281. The reversal of 842706271 is 172607248.

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 842706271 - 2¹¹ = 842704223 is a prime.

It is a super-3 number, since 3×842706271³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 842706271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842706211) 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, 38304820 + ... + 38304841.

It is an arithmetic number, because the mean of its divisors is an integer number (229828986).

Almost surely, 2^842706271 is an apocalyptic number.

842706271 is a deficient number, since it is larger than the sum of its proper divisors (76609673).

842706271 is a wasteful number, since it uses less digits than its factorization.

842706271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76609672.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 842706271 is about 29029.4035591502. The cubic root of 842706271 is about 944.5509922387.

The spelling of 842706271 in words is "eight hundred forty-two million, seven hundred six thousand, two hundred seventy-one".