860091012 has 144 divisors (see below), whose sum is σ = 2529945600. Its totient is φ = 243622080.

The previous prime is 860090983. The next prime is 860091073. The reversal of 860091012 is 210190068.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 593673 + ... + 595119.

Almost surely, 2^860091012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 860091012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1264972800).

860091012 is an abundant number, since it is smaller than the sum of its proper divisors (1669854588).

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

860091012 is a wasteful number, since it uses less digits than its factorization.

860091012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566 (or 1561 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 860091012 is about 29327.3082978987. The cubic root of 860091012 is about 951.0020864593.

The spelling of 860091012 in words is "eight hundred sixty million, ninety-one thousand, twelve".