86169239548 has 72 divisors (see below), whose sum is σ = 180439387520. Its totient is φ = 35268726240.

The previous prime is 86169239543. The next prime is 86169239561. The reversal of 86169239548 is 84593296168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86169239543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10230883 + ... + 10239301.

Almost surely, 2^86169239548 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 86169239548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90219693760).

86169239548 is an abundant number, since it is smaller than the sum of its proper divisors (94270147972).

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

86169239548 is a wasteful number, since it uses less digits than its factorization.

86169239548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9167 (or 9142 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 61.

The spelling of 86169239548 in words is "eighty-six billion, one hundred sixty-nine million, two hundred thirty-nine thousand, five hundred forty-eight".