180179463487 has 4 divisors (see below), whose sum is σ = 181475718760. Its totient is φ = 178883208216.

The previous prime is 180179463461. The next prime is 180179463493. The reversal of 180179463487 is 784364971081.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 180179463487 - 2³⁵ = 145819725119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180179463287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648127428 + ... + 648127705.

It is an arithmetic number, because the mean of its divisors is an integer number (45368929690).

Almost surely, 2^180179463487 is an apocalyptic number.

180179463487 is a deficient number, since it is larger than the sum of its proper divisors (1296255273).

180179463487 is a wasteful number, since it uses less digits than its factorization.

180179463487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296255272.

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 180179463487 in words is "one hundred eighty billion, one hundred seventy-nine million, four hundred sixty-three thousand, four hundred eighty-seven".