28361201286 has 64 divisors (see below), whose sum is σ = 66593166336. Its totient is φ = 7956134400.

The previous prime is 28361201279. The next prime is 28361201321. The reversal of 28361201286 is 68210216382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138750 + ... + 275633.

It is an arithmetic number, because the mean of its divisors is an integer number (1040518224).

Almost surely, 2^28361201286 is an apocalyptic number.

28361201286 is an abundant number, since it is smaller than the sum of its proper divisors (38231965050).

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

28361201286 is a wasteful number, since it uses less digits than its factorization.

28361201286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414477.

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 28361201286 in words is "twenty-eight billion, three hundred sixty-one million, two hundred one thousand, two hundred eighty-six".