86573072238 has 16 divisors (see below), whose sum is σ = 173411307216. Its totient is φ = 28813496960.

The previous prime is 86573072189. The next prime is 86573072249. The reversal of 86573072238 is 83227037568.

It is a happy number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 11044203 + ... + 11052038.

It is an arithmetic number, because the mean of its divisors is an integer number (10838206701).

Almost surely, 2^86573072238 is an apocalyptic number.

86573072238 is an abundant number, since it is smaller than the sum of its proper divisors (86838234978).

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

86573072238 is a wasteful number, since it uses less digits than its factorization.

86573072238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22096899.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 86573072238 in words is "eighty-six billion, five hundred seventy-three million, seventy-two thousand, two hundred thirty-eight".