285480087 has 8 divisors (see below), whose sum is σ = 381003120. Its totient is φ = 190138560.

The previous prime is 285480079. The next prime is 285480103. The reversal of 285480087 is 780084582.

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

It is not a de Polignac number, because 285480087 - 2³ = 285480079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285480017) 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, 41662 + ... + 48027.

It is an arithmetic number, because the mean of its divisors is an integer number (47625390).

Almost surely, 2^285480087 is an apocalyptic number.

285480087 is a deficient number, since it is larger than the sum of its proper divisors (95523033).

285480087 is a wasteful number, since it uses less digits than its factorization.

285480087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90753.

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 285480087 is about 16896.1559829448. The cubic root of 285480087 is about 658.4537471066.

The spelling of 285480087 in words is "two hundred eighty-five million, four hundred eighty thousand, eighty-seven".