180073863 has 6 divisors (see below), whose sum is σ = 260106704. Its totient is φ = 120049236.

The previous prime is 180073813. The next prime is 180073871. The reversal of 180073863 is 368370081.

It is not a de Polignac number, because 180073863 - 2¹³ = 180065671 is a prime.

It is a super-2 number, since 2×180073863² = 64853192271485538, 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 (180073813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10004095 + ... + 10004112.

Almost surely, 2^180073863 is an apocalyptic number.

180073863 is a deficient number, since it is larger than the sum of its proper divisors (80032841).

180073863 is a wasteful number, since it uses less digits than its factorization.

180073863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20008213 (or 20008210 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 180073863 is about 13419.1602941466. The cubic root of 180073863 is about 564.6988375940.

The spelling of 180073863 in words is "one hundred eighty million, seventy-three thousand, eight hundred sixty-three".