842906911 has 8 divisors (see below), whose sum is σ = 1050897024. Its totient is φ = 656810520.

The previous prime is 842906893. The next prime is 842906917. The reversal of 842906911 is 119609248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-842906911 is a prime.

It is a super-2 number, since 2×842906911² = 1420984121223123842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842906917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5473345 + ... + 5473498.

It is an arithmetic number, because the mean of its divisors is an integer number (131362128).

Almost surely, 2^842906911 is an apocalyptic number.

842906911 is a deficient number, since it is larger than the sum of its proper divisors (207990113).

842906911 is a wasteful number, since it uses less digits than its factorization.

842906911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10946861.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 842906911 is about 29032.8591599243. The cubic root of 842906911 is about 944.6259490293.

The spelling of 842906911 in words is "eight hundred forty-two million, nine hundred six thousand, nine hundred eleven".