86243156242 has 32 divisors (see below), whose sum is σ = 131581584000. Its totient is φ = 42389837568.

The previous prime is 86243156171. The next prime is 86243156261. The reversal of 86243156242 is 24265134268.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22174234 + ... + 22178122.

It is an arithmetic number, because the mean of its divisors is an integer number (4111924500).

Almost surely, 2^86243156242 is an apocalyptic number.

86243156242 is a deficient number, since it is larger than the sum of its proper divisors (45338427758).

86243156242 is a wasteful number, since it uses less digits than its factorization.

86243156242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4770.

The product of its digits is 552960, while the sum is 43.

The spelling of 86243156242 in words is "eighty-six billion, two hundred forty-three million, one hundred fifty-six thousand, two hundred forty-two".