86172390112 has 48 divisors (see below), whose sum is σ = 176553185760. Its totient is φ = 41351285248.

The previous prime is 86172390103. The next prime is 86172390119. The reversal of 86172390112 is 21109327168.

It is a super-2 number, since 2×86172390112² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86172390119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123043 + ... + 432994.

It is an arithmetic number, because the mean of its divisors is an integer number (3678191370).

Almost surely, 2^86172390112 is an apocalyptic number.

It is an amenable number.

86172390112 is an abundant number, since it is smaller than the sum of its proper divisors (90380795648).

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

86172390112 is a wasteful number, since it uses less digits than its factorization.

86172390112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556243 (or 556235 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 86172390112 in words is "eighty-six billion, one hundred seventy-two million, three hundred ninety thousand, one hundred twelve".