285900269085 has 32 divisors (see below), whose sum is σ = 508305108480. Its totient is φ = 152468754624.

The previous prime is 285900269029. The next prime is 285900269117. The reversal of 285900269085 is 580962009582.

285900269085 is a `hidden beast` number, since 28 + 590 + 0 + 26 + 9 + 0 + 8 + 5 = 666.

285900269085 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 285900269085 - 2⁶ = 285900269021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1921839 + ... + 2065251.

It is an arithmetic number, because the mean of its divisors is an integer number (15884534640).

Almost surely, 2^285900269085 is an apocalyptic number.

It is an amenable number.

285900269085 is a deficient number, since it is larger than the sum of its proper divisors (222404839395).

285900269085 is a wasteful number, since it uses less digits than its factorization.

285900269085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158194 (or 158188 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 285900269085 in words is "two hundred eighty-five billion, nine hundred million, two hundred sixty-nine thousand, eighty-five".