985180459 has 8 divisors (see below), whose sum is σ = 1032020640. Its totient is φ = 938674176.

The previous prime is 985180433. The next prime is 985180487. The reversal of 985180459 is 954081589.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 985180459 - 2⁷ = 985180331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985187459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77424 + ... + 89245.

It is an arithmetic number, because the mean of its divisors is an integer number (129002580).

Almost surely, 2^985180459 is an apocalyptic number.

985180459 is a deficient number, since it is larger than the sum of its proper divisors (46840181).

985180459 is a wasteful number, since it uses less digits than its factorization.

985180459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166949.

The product of its (nonzero) digits is 518400, while the sum is 49.

The square root of 985180459 is about 31387.5844722081. The cubic root of 985180459 is about 995.0355480006.

The spelling of 985180459 in words is "nine hundred eighty-five million, one hundred eighty thousand, four hundred fifty-nine".