86169254116 has 45 divisors (see below), whose sum is σ = 166011644505. Its totient is φ = 39135552720.

The previous prime is 86169254113. The next prime is 86169254137. The reversal of 86169254116 is 61145296168.

It is a happy number.

The square root of 86169254116 is 293546.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3515304100 + 82653950016 = 59290^2 + 287496^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86169254116.

It is not an unprimeable number, because it can be changed into a prime (86169254113) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 71037526 + ... + 71038738.

Almost surely, 2^86169254116 is an apocalyptic number.

86169254116 is the 293546-th square number.

It is an amenable number.

86169254116 is a deficient number, since it is larger than the sum of its proper divisors (79842390389).

86169254116 is an frugal number, since it uses more digits than its factorization.

86169254116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474 (or 1226 counting only the distinct ones).

The product of its digits is 622080, while the sum is 49.

Multiplying 86169254116 by its sum of digits (49), we get a square (4222293451684 = 2054822²).

The spelling of 86169254116 in words is "eighty-six billion, one hundred sixty-nine million, two hundred fifty-four thousand, one hundred sixteen".