86256172202730 has 32 divisors (see below), whose sum is σ = 213692710491648. Its totient is φ = 22259657342400.

The previous prime is 86256172202723. The next prime is 86256172202771. The reversal of 86256172202730 is 3720227165268.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46374285201 + ... + 46374287060.

It is an arithmetic number, because the mean of its divisors is an integer number (6677897202864).

Almost surely, 2^{86256172202730} is an apocalyptic number.

86256172202730 is an abundant number, since it is smaller than the sum of its proper divisors (127436538288918).

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

86256172202730 is a wasteful number, since it uses less digits than its factorization.

86256172202730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92748572302.

The product of its (nonzero) digits is 3386880, while the sum is 51.

Adding to 86256172202730 its reverse (3720227165268), we get a palindrome (89976399367998).

The spelling of 86256172202730 in words is "eighty-six trillion, two hundred fifty-six billion, one hundred seventy-two million, two hundred two thousand, seven hundred thirty".