8231147246047 has 4 divisors (see below), whose sum is σ = 8979433359336. Its totient is φ = 7482861132760.

The previous prime is 8231147246029. The next prime is 8231147246059. The reversal of 8231147246047 is 7406427411328.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8231147246047 - 2¹⁵ = 8231147213279 is a prime.

It is a super-2 number, since 2×8231147246047² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8231147246017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374143056628 + ... + 374143056649.

It is an arithmetic number, because the mean of its divisors is an integer number (2244858339834).

Almost surely, 2^{8231147246047} is an apocalyptic number.

8231147246047 is a deficient number, since it is larger than the sum of its proper divisors (748286113289).

8231147246047 is a wasteful number, since it uses less digits than its factorization.

8231147246047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748286113288.

The product of its (nonzero) digits is 1806336, while the sum is 49.

The spelling of 8231147246047 in words is "eight trillion, two hundred thirty-one billion, one hundred forty-seven million, two hundred forty-six thousand, forty-seven".