85730994894 has 16 divisors (see below), whose sum is σ = 180486305280. Its totient is φ = 27072945720.

The previous prime is 85730994823. The next prime is 85730994919. The reversal of 85730994894 is 49849903758.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376013022 + ... + 376013249.

It is an arithmetic number, because the mean of its divisors is an integer number (11280394080).

Almost surely, 2^85730994894 is an apocalyptic number.

85730994894 is an abundant number, since it is smaller than the sum of its proper divisors (94755310386).

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

85730994894 is a wasteful number, since it uses less digits than its factorization.

85730994894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752026295.

The product of its (nonzero) digits is 78382080, while the sum is 66.

The spelling of 85730994894 in words is "eighty-five billion, seven hundred thirty million, nine hundred ninety-four thousand, eight hundred ninety-four".