8942731917 has 24 divisors (see below), whose sum is σ = 13894781472. Its totient is φ = 5101135200.

The previous prime is 8942731891. The next prime is 8942731949. The reversal of 8942731917 is 7191372498.

It is not a de Polignac number, because 8942731917 - 2¹⁸ = 8942469773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8942731917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8942731517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30667 + ... + 137207.

It is an arithmetic number, because the mean of its divisors is an integer number (578949228).

Almost surely, 2^8942731917 is an apocalyptic number.

It is an amenable number.

8942731917 is a deficient number, since it is larger than the sum of its proper divisors (4952049555).

8942731917 is a wasteful number, since it uses less digits than its factorization.

8942731917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107129 (or 107122 counting only the distinct ones).

The product of its digits is 762048, while the sum is 51.

The square root of 8942731917 is about 94566.0188281182. The cubic root of 8942731917 is about 2075.6624907026.

The spelling of 8942731917 in words is "eight billion, nine hundred forty-two million, seven hundred thirty-one thousand, nine hundred seventeen".