86140722312 has 36 divisors (see below), whose sum is σ = 233304534645. Its totient is φ = 28712743968.

The previous prime is 86140722293. The next prime is 86140722383. The reversal of 86140722312 is 21322704168.

It is a happy number.

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.

86140722312 is a `hidden beast` number, since 8 + 614 + 0 + 7 + 2 + 2 + 31 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 45034781796 + 41105940516 = 212214^2 + 202746^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=207534.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2473114 + ... + 2507702.

Almost surely, 2^86140722312 is an apocalyptic number.

It is an amenable number.

86140722312 is an abundant number, since it is smaller than the sum of its proper divisors (147163812333).

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

86140722312 is an frugal number, since it uses more digits than its factorization.

86140722312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69190 (or 34594 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 86140722312 in words is "eighty-six billion, one hundred forty million, seven hundred twenty-two thousand, three hundred twelve".