8585678394 has 24 divisors (see below), whose sum is σ = 19105069620. Its totient is φ = 2784544128.

The previous prime is 8585678393. The next prime is 8585678401. The reversal of 8585678394 is 4938765858.

It can be written as a sum of positive squares in 2 ways, for example, as 8396973225 + 188705169 = 91635^2 + 13737^2 .

It is not an unprimeable number, because it can be changed into a prime (8585678393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6445039 + ... + 6446370.

Almost surely, 2^8585678394 is an apocalyptic number.

8585678394 is an abundant number, since it is smaller than the sum of its proper divisors (10519391226).

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

8585678394 is a wasteful number, since it uses less digits than its factorization.

8585678394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12891454 (or 12891451 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 63.

The square root of 8585678394 is about 92658.9358561817. The cubic root of 8585678394 is about 2047.6616918916.

The spelling of 8585678394 in words is "eight billion, five hundred eighty-five million, six hundred seventy-eight thousand, three hundred ninety-four".