285180379 has 8 divisors (see below), whose sum is σ = 318694320. Its totient is φ = 252931200.

The previous prime is 285180353. The next prime is 285180383. The reversal of 285180379 is 973081582.

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 285180379 - 2⁵ = 285180347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285180479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315714 + ... + 316615.

It is an arithmetic number, because the mean of its divisors is an integer number (39836790).

Almost surely, 2^285180379 is an apocalyptic number.

285180379 is a deficient number, since it is larger than the sum of its proper divisors (33513941).

285180379 is a wasteful number, since it uses less digits than its factorization.

285180379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632381.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 285180379 is about 16887.2845360052. The cubic root of 285180379 is about 658.2232430485.

The spelling of 285180379 in words is "two hundred eighty-five million, one hundred eighty thousand, three hundred seventy-nine".