8155982467243 has 8 divisors (see below), whose sum is σ = 8847477894528. Its totient is φ = 7473645920064.

The previous prime is 8155982467229. The next prime is 8155982467319. The reversal of 8155982467243 is 3427642895518.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8155982467243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8155982467543) 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, 2289718171 + ... + 2289721732.

It is an arithmetic number, because the mean of its divisors is an integer number (1105934736816).

Almost surely, 2^{8155982467243} is an apocalyptic number.

8155982467243 is a deficient number, since it is larger than the sum of its proper divisors (691495427285).

8155982467243 is a wasteful number, since it uses less digits than its factorization.

8155982467243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4579440053.

The product of its digits is 116121600, while the sum is 64.

The spelling of 8155982467243 in words is "eight trillion, one hundred fifty-five billion, nine hundred eighty-two million, four hundred sixty-seven thousand, two hundred forty-three".