805013089 has 8 divisors (see below), whose sum is σ = 809533760. Its totient is φ = 800501616.

The previous prime is 805013063. The next prime is 805013093. The reversal of 805013089 is 980310508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-805013089 is a prime.

It is a super-2 number, since 2×805013089² = 1296092146922643842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (805013389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241774 + ... + 245080.

It is an arithmetic number, because the mean of its divisors is an integer number (101191720).

Almost surely, 2^805013089 is an apocalyptic number.

It is an amenable number.

805013089 is a deficient number, since it is larger than the sum of its proper divisors (4520671).

805013089 is a wasteful number, since it uses less digits than its factorization.

805013089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4599.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 805013089 is about 28372.7525806010. The cubic root of 805013089 is about 930.2527886449.

The spelling of 805013089 in words is "eight hundred five million, thirteen thousand, eighty-nine".