808730961 has 4 divisors (see below), whose sum is σ = 1078307952. Its totient is φ = 539153972.

The previous prime is 808730959. The next prime is 808730969. The reversal of 808730961 is 169037808.

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.

It is a cyclic number.

It is not a de Polignac number, because 808730961 - 2¹ = 808730959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (808730969) 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, 134788491 + ... + 134788496.

It is an arithmetic number, because the mean of its divisors is an integer number (269576988).

Almost surely, 2^808730961 is an apocalyptic number.

It is an amenable number.

808730961 is a deficient number, since it is larger than the sum of its proper divisors (269576991).

808730961 is a wasteful number, since it uses less digits than its factorization.

808730961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269576990.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 808730961 is about 28438.1954596279. The cubic root of 808730961 is about 931.6826826113.

The spelling of 808730961 in words is "eight hundred eight million, seven hundred thirty thousand, nine hundred sixty-one".