86669428872 has 128 divisors (see below), whose sum is σ = 247095475200. Its totient is φ = 25112395008.

The previous prime is 86669428861. The next prime is 86669428873. The reversal of 86669428872 is 27882496668.

It is not an unprimeable number, because it can be changed into a prime (86669428873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 946203 + ... + 1033749.

It is an arithmetic number, because the mean of its divisors is an integer number (1930433400).

Almost surely, 2^86669428872 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 86669428872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123547737600).

86669428872 is an abundant number, since it is smaller than the sum of its proper divisors (160426046328).

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

86669428872 is a wasteful number, since it uses less digits than its factorization.

86669428872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87755 (or 87751 counting only the distinct ones).

The product of its digits is 111476736, while the sum is 66.

The spelling of 86669428872 in words is "eighty-six billion, six hundred sixty-nine million, four hundred twenty-eight thousand, eight hundred seventy-two".