808929137 has 4 divisors (see below), whose sum is σ = 808991040. Its totient is φ = 808867236.

The previous prime is 808929101. The next prime is 808929151. The reversal of 808929137 is 731929808.

808929137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 808929137 - 2⁶ = 808929073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 808929091 and 808929100.

It is not an unprimeable number, because it can be changed into a prime (808929337) 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, 2837 + ... + 40322.

It is an arithmetic number, because the mean of its divisors is an integer number (202247760).

Almost surely, 2^808929137 is an apocalyptic number.

It is an amenable number.

808929137 is a deficient number, since it is larger than the sum of its proper divisors (61903).

808929137 is a wasteful number, since it uses less digits than its factorization.

808929137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61902.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 808929137 is about 28441.6795741742. The cubic root of 808929137 is about 931.7587779907.

The spelling of 808929137 in words is "eight hundred eight million, nine hundred twenty-nine thousand, one hundred thirty-seven".