28966929186 has 128 divisors (see below), whose sum is σ = 65080028160. Its totient is φ = 8537488128.

The previous prime is 28966929163. The next prime is 28966929191. The reversal of 28966929186 is 68192966982.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65387881 + ... + 65388323.

It is an arithmetic number, because the mean of its divisors is an integer number (508437720).

Almost surely, 2^28966929186 is an apocalyptic number.

28966929186 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 28966929186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32540014080).

28966929186 is an abundant number, since it is smaller than the sum of its proper divisors (36113098974).

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

28966929186 is a wasteful number, since it uses less digits than its factorization.

28966929186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800.

The product of its digits is 40310784, while the sum is 66.

The spelling of 28966929186 in words is "twenty-eight billion, nine hundred sixty-six million, nine hundred twenty-nine thousand, one hundred eighty-six".