86634741002172 has 48 divisors (see below), whose sum is σ = 220705999299072. Its totient is φ = 26231379911680.

The previous prime is 86634741002171. The next prime is 86634741002209. The reversal of 86634741002172 is 27120014743668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86634741002171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269487588 + ... + 269808875.

It is an arithmetic number, because the mean of its divisors is an integer number (4598041652064).

Almost surely, 2^{86634741002172} is an apocalyptic number.

It is an amenable number.

86634741002172 is an abundant number, since it is smaller than the sum of its proper divisors (134071258296900).

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

86634741002172 is a wasteful number, since it uses less digits than its factorization.

86634741002172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539297698 (or 539297696 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 86634741002172 in words is "eighty-six trillion, six hundred thirty-four billion, seven hundred forty-one million, two thousand, one hundred seventy-two".