285014886381 has 48 divisors (see below), whose sum is σ = 429534705600. Its totient is φ = 188855307648.

The previous prime is 285014886379. The next prime is 285014886391. The reversal of 285014886381 is 183688410582.

285014886381 is a `hidden beast` number, since 2 + 85 + 0 + 1 + 488 + 6 + 3 + 81 = 666.

It is not a de Polignac number, because 285014886381 - 2¹ = 285014886379 is a prime.

It is a super-2 number, since 2×285014886381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285014886301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60267225 + ... + 60271953.

It is an arithmetic number, because the mean of its divisors is an integer number (8948639700).

Almost surely, 2^285014886381 is an apocalyptic number.

It is an amenable number.

285014886381 is a deficient number, since it is larger than the sum of its proper divisors (144519819219).

285014886381 is a wasteful number, since it uses less digits than its factorization.

285014886381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6200 (or 6188 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 54.

The spelling of 285014886381 in words is "two hundred eighty-five billion, fourteen million, eight hundred eighty-six thousand, three hundred eighty-one".