872192286 has 60 divisors (see below), whose sum is σ = 2236100328. Its totient is φ = 248913648.

The previous prime is 872192261. The next prime is 872192287. The reversal of 872192286 is 682291278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872192287) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 994080 + ... + 994956.

Almost surely, 2^872192286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 872192286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118050164).

872192286 is an abundant number, since it is smaller than the sum of its proper divisors (1363908042).

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

872192286 is an frugal number, since it uses more digits than its factorization.

872192286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775 (or 889 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 872192286 is about 29532.9017538067. The cubic root of 872192286 is about 955.4414544838.

The spelling of 872192286 in words is "eight hundred seventy-two million, one hundred ninety-two thousand, two hundred eighty-six".