180712089 has 6 divisors (see below), whose sum is σ = 261028586. Its totient is φ = 120474720.

The previous prime is 180712087. The next prime is 180712121. The reversal of 180712089 is 980217081.

180712089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 114126489 + 66585600 = 10683^2 + 8160^2 .

It is not a de Polignac number, because 180712089 - 2¹ = 180712087 is a prime.

It is a super-2 number, since 2×180712089² = 65313718221487842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180712087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10039552 + ... + 10039569.

Almost surely, 2^180712089 is an apocalyptic number.

It is an amenable number.

180712089 is a deficient number, since it is larger than the sum of its proper divisors (80316497).

180712089 is a wasteful number, since it uses less digits than its factorization.

180712089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20079127 (or 20079124 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 180712089 is about 13442.9196605499. The cubic root of 180712089 is about 565.3651947622.

The spelling of 180712089 in words is "one hundred eighty million, seven hundred twelve thousand, eighty-nine".