86722392120 has 256 divisors, whose sum is σ = 330536263680. Its totient is φ = 17707161600.

The previous prime is 86722392109. The next prime is 86722392139. The reversal of 86722392120 is 2129322768.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 210430 + ... + 466610.

It is an arithmetic number, because the mean of its divisors is an integer number (1291157280).

Almost surely, 2^86722392120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86722392120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165268131840).

86722392120 is an abundant number, since it is smaller than the sum of its proper divisors (243813871560).

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

86722392120 is a wasteful number, since it uses less digits than its factorization.

86722392120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256246 (or 256242 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 86722392120 in words is "eighty-six billion, seven hundred twenty-two million, three hundred ninety-two thousand, one hundred twenty".