808240172 has 6 divisors (see below), whose sum is σ = 1414420308. Its totient is φ = 404120084.

The previous prime is 808240151. The next prime is 808240177. The reversal of 808240172 is 271042808.

It is not an unprimeable number, because it can be changed into a prime (808240177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101030018 + ... + 101030025.

It is an arithmetic number, because the mean of its divisors is an integer number (235736718).

Almost surely, 2^808240172 is an apocalyptic number.

It is an amenable number.

808240172 is a deficient number, since it is larger than the sum of its proper divisors (606180136).

808240172 is a wasteful number, since it uses less digits than its factorization.

808240172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202060047 (or 202060045 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 808240172 is about 28429.5651039547. The cubic root of 808240172 is about 931.4941765183.

The spelling of 808240172 in words is "eight hundred eight million, two hundred forty thousand, one hundred seventy-two".