86722544170 has 64 divisors (see below), whose sum is σ = 167231433600. Its totient is φ = 32281148160.

The previous prime is 86722544149. The next prime is 86722544203. The reversal of 86722544170 is 7144522768.

It is a self number, because there is not a number n which added to its sum of digits gives 86722544170.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20859732 + ... + 20863888.

It is an arithmetic number, because the mean of its divisors is an integer number (2612991150).

Almost surely, 2^86722544170 is an apocalyptic number.

86722544170 is a deficient number, since it is larger than the sum of its proper divisors (80508889430).

86722544170 is a wasteful number, since it uses less digits than its factorization.

86722544170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6103.

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 86722544170 in words is "eighty-six billion, seven hundred twenty-two million, five hundred forty-four thousand, one hundred seventy".