86191583442 has 32 divisors (see below), whose sum is σ = 172951399680. Its totient is φ = 28635949440.

The previous prime is 86191583441. The next prime is 86191583483. The reversal of 86191583442 is 24438519168.

It is not an unprimeable number, because it can be changed into a prime (86191583441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2836743 + ... + 2866965.

It is an arithmetic number, because the mean of its divisors is an integer number (5404731240).

Almost surely, 2^86191583442 is an apocalyptic number.

86191583442 is an abundant number, since it is smaller than the sum of its proper divisors (86759816238).

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

86191583442 is a wasteful number, since it uses less digits than its factorization.

86191583442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31778.

The product of its digits is 1658880, while the sum is 51.

The spelling of 86191583442 in words is "eighty-six billion, one hundred ninety-one million, five hundred eighty-three thousand, four hundred forty-two".