86393142238 has 8 divisors (see below), whose sum is σ = 139558152888. Its totient is φ = 39873757944.

The previous prime is 86393142221. The next prime is 86393142239. The reversal of 86393142238 is 83224139368.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 86393142191 and 86393142200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86393142239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1661406556 + ... + 1661406607.

It is an arithmetic number, because the mean of its divisors is an integer number (17444769111).

Almost surely, 2^86393142238 is an apocalyptic number.

86393142238 is a deficient number, since it is larger than the sum of its proper divisors (53165010650).

86393142238 is a wasteful number, since it uses less digits than its factorization.

86393142238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322813178.

The product of its digits is 1492992, while the sum is 49.

The spelling of 86393142238 in words is "eighty-six billion, three hundred ninety-three million, one hundred forty-two thousand, two hundred thirty-eight".