7824128372231 has 12 divisors (see below), whose sum is σ = 8004861010608. Its totient is φ = 7647314361024.

The previous prime is 7824128372219. The next prime is 7824128372303. The reversal of 7824128372231 is 1322738214287.

It is not a de Polignac number, because 7824128372231 - 2¹⁴ = 7824128355847 is a prime.

It is a super-2 number, since 2×7824128372231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7824128372231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7824128371231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4556630 + ... + 6034163.

It is an arithmetic number, because the mean of its divisors is an integer number (667071750884).

Almost surely, 2^{7824128372231} is an apocalyptic number.

7824128372231 is a deficient number, since it is larger than the sum of its proper divisors (180732638377).

7824128372231 is a wasteful number, since it uses less digits than its factorization.

7824128372231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10591162 (or 10591109 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 50.

The spelling of 7824128372231 in words is "seven trillion, eight hundred twenty-four billion, one hundred twenty-eight million, three hundred seventy-two thousand, two hundred thirty-one".