8162792891 has 6 divisors (see below), whose sum is σ = 8905191876. Its totient is φ = 7420448400.

The previous prime is 8162792873. The next prime is 8162792903. The reversal of 8162792891 is 1982972618.

It is not a de Polignac number, because 8162792891 - 2¹⁴ = 8162776507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8162792801) 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 5 ways as a sum of consecutive naturals, for example, 286031 + ... + 313271.

It is an arithmetic number, because the mean of its divisors is an integer number (1484198646).

Almost surely, 2^8162792891 is an apocalyptic number.

8162792891 is a deficient number, since it is larger than the sum of its proper divisors (742398985).

8162792891 is an frugal number, since it uses more digits than its factorization.

8162792891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54493 (or 27252 counting only the distinct ones).

The product of its digits is 870912, while the sum is 53.

The square root of 8162792891 is about 90348.1759140714. The cubic root of 8162792891 is about 2013.4750814421.

The spelling of 8162792891 in words is "eight billion, one hundred sixty-two million, seven hundred ninety-two thousand, eight hundred ninety-one".