180387248857 has 16 divisors (see below), whose sum is σ = 185312350080. Its totient is φ = 175496211072.

The previous prime is 180387248843. The next prime is 180387248861. The reversal of 180387248857 is 758842783081.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 180387248857 - 2⁷ = 180387248729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 180387248795 and 180387248804.

It is not an unprimeable number, because it can be changed into a prime (180387248827) 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, 20978283 + ... + 20986879.

It is an arithmetic number, because the mean of its divisors is an integer number (11582021880).

Almost surely, 2^180387248857 is an apocalyptic number.

It is an amenable number.

180387248857 is a deficient number, since it is larger than the sum of its proper divisors (4925101223).

180387248857 is a wasteful number, since it uses less digits than its factorization.

180387248857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10512.

The product of its (nonzero) digits is 24084480, while the sum is 61.

The spelling of 180387248857 in words is "one hundred eighty billion, three hundred eighty-seven million, two hundred forty-eight thousand, eight hundred fifty-seven".