180764469 has 12 divisors (see below), whose sum is σ = 262278016. Its totient is φ = 119967912.

The previous prime is 180764443. The next prime is 180764471. The reversal of 180764469 is 964467081.

180764469 is a `hidden beast` number, since 180 + 7 + 6 + 4 + 469 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-180764469 is a prime.

It is a super-2 number, since 2×180764469² = 65351586505703922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180764369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43027 + ... + 47040.

Almost surely, 2^180764469 is an apocalyptic number.

It is an amenable number.

180764469 is a deficient number, since it is larger than the sum of its proper divisors (81513547).

180764469 is a wasteful number, since it uses less digits than its factorization.

180764469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90296 (or 90293 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 180764469 is about 13444.8677568803. The cubic root of 180764469 is about 565.4198138127.

The spelling of 180764469 in words is "one hundred eighty million, seven hundred sixty-four thousand, four hundred sixty-nine".