180847953 has 48 divisors (see below), whose sum is σ = 310774464. Its totient is φ = 99895680.

The previous prime is 180847943. The next prime is 180847969. The reversal of 180847953 is 359748081.

It is not a de Polignac number, because 180847953 - 2¹⁷ = 180716881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 180847899 and 180847908.

It is not an unprimeable number, because it can be changed into a prime (180847903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105975 + ... + 107667.

It is an arithmetic number, because the mean of its divisors is an integer number (6474468).

Almost surely, 2^180847953 is an apocalyptic number.

180847953 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

180847953 is a deficient number, since it is larger than the sum of its proper divisors (129926511).

180847953 is a wasteful number, since it uses less digits than its factorization.

180847953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 180847953 is about 13447.9720776034. The cubic root of 180847953 is about 565.5068446380.

The spelling of 180847953 in words is "one hundred eighty million, eight hundred forty-seven thousand, nine hundred fifty-three".