180228807867 has 16 divisors (see below), whose sum is σ = 243977143968. Its totient is φ = 118321643520.

The previous prime is 180228807839. The next prime is 180228807893. The reversal of 180228807867 is 768708822081.

It is not a de Polignac number, because 180228807867 - 2¹⁹ = 180228283579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (180228808867) 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, 501558 + ... + 782315.

It is an arithmetic number, because the mean of its divisors is an integer number (15248571498).

Almost surely, 2^180228807867 is an apocalyptic number.

180228807867 is a deficient number, since it is larger than the sum of its proper divisors (63748336101).

180228807867 is a wasteful number, since it uses less digits than its factorization.

180228807867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284590.

The product of its (nonzero) digits is 4816896, while the sum is 57.

The spelling of 180228807867 in words is "one hundred eighty billion, two hundred twenty-eight million, eight hundred seven thousand, eight hundred sixty-seven".