805023069 has 16 divisors (see below), whose sum is σ = 1147353984. Its totient is φ = 500825600.

The previous prime is 805023061. The next prime is 805023073. The reversal of 805023069 is 960320508.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 805023069 - 2³ = 805023061 is a prime.

It is a super-2 number, since 2×805023069² = 1296124283244357522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805023061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139452 + ... + 145109.

It is an arithmetic number, because the mean of its divisors is an integer number (71709624).

Almost surely, 2^805023069 is an apocalyptic number.

It is an amenable number.

805023069 is a deficient number, since it is larger than the sum of its proper divisors (342330915).

805023069 is a wasteful number, since it uses less digits than its factorization.

805023069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284628.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 805023069 is about 28372.9284530166. The cubic root of 805023069 is about 930.2566328410.

The spelling of 805023069 in words is "eight hundred five million, twenty-three thousand, sixty-nine".