86171933958 has 16 divisors (see below), whose sum is σ = 188011492416. Its totient is φ = 26112707240.

The previous prime is 86171933951. The next prime is 86171933977. The reversal of 86171933958 is 85933917168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86171933951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652817616 + ... + 652817747.

It is an arithmetic number, because the mean of its divisors is an integer number (11750718276).

Almost surely, 2^86171933958 is an apocalyptic number.

86171933958 is an abundant number, since it is smaller than the sum of its proper divisors (101839558458).

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

86171933958 is a wasteful number, since it uses less digits than its factorization.

86171933958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305635379.

The product of its digits is 9797760, while the sum is 60.

The spelling of 86171933958 in words is "eighty-six billion, one hundred seventy-one million, nine hundred thirty-three thousand, nine hundred fifty-eight".