86722797512 has 36 divisors (see below), whose sum is σ = 176097489795. Its totient is φ = 40020908928.

The previous prime is 86722797461. The next prime is 86722797583. The reversal of 86722797512 is 21579722768.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 23211741316 + 63511056196 = 152354^2 + 252014^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=208234.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10824164 + ... + 10832172.

Almost surely, 2^86722797512 is an apocalyptic number.

It is an amenable number.

86722797512 is an abundant number, since it is smaller than the sum of its proper divisors (89374692283).

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

86722797512 is an frugal number, since it uses more digits than its factorization.

86722797512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16050 (or 8024 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 56.

The spelling of 86722797512 in words is "eighty-six billion, seven hundred twenty-two million, seven hundred ninety-seven thousand, five hundred twelve".