285745742886 has 16 divisors (see below), whose sum is σ = 571647207168. Its totient is φ = 95222627400.

The previous prime is 285745742881. The next prime is 285745742917. The reversal of 285745742886 is 688247547582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285745742881) 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, 6464530 + ... + 6508581.

It is an arithmetic number, because the mean of its divisors is an integer number (35727950448).

Almost surely, 2^285745742886 is an apocalyptic number.

285745742886 is an abundant number, since it is smaller than the sum of its proper divisors (285901464282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285745742886 is a wasteful number, since it uses less digits than its factorization.

285745742886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12976787.

The product of its digits is 240844800, while the sum is 66.

The spelling of 285745742886 in words is "two hundred eighty-five billion, seven hundred forty-five million, seven hundred forty-two thousand, eight hundred eighty-six".