86172783102 has 96 divisors (see below), whose sum is σ = 216078632640. Its totient is φ = 24310218240.

The previous prime is 86172783031. The next prime is 86172783167. The reversal of 86172783102 is 20138727168.

86172783102 is a `hidden beast` number, since 8 + 61 + 7 + 278 + 310 + 2 = 666.

It is a congruent number.

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, 8663452 + ... + 8673392.

It is an arithmetic number, because the mean of its divisors is an integer number (2250819090).

Almost surely, 2^86172783102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86172783102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108039316320).

86172783102 is an abundant number, since it is smaller than the sum of its proper divisors (129905849538).

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

86172783102 is a wasteful number, since it uses less digits than its factorization.

86172783102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10818 (or 10815 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 86172783102 in words is "eighty-six billion, one hundred seventy-two million, seven hundred eighty-three thousand, one hundred two".