8431472879 has 2 divisors, whose sum is σ = 8431472880. Its totient is φ = 8431472878.

The previous prime is 8431472827. The next prime is 8431472953. The reversal of 8431472879 is 9782741348.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8431472879 - 2¹² = 8431468783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8431472879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8431475879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4215736439 + 4215736440.

It is an arithmetic number, because the mean of its divisors is an integer number (4215736440).

Almost surely, 2^8431472879 is an apocalyptic number.

8431472879 is a deficient number, since it is larger than the sum of its proper divisors (1).

8431472879 is an equidigital number, since it uses as much as digits as its factorization.

8431472879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 53.

The square root of 8431472879 is about 91823.0520022069. The cubic root of 8431472879 is about 2035.3283525810.

The spelling of 8431472879 in words is "eight billion, four hundred thirty-one million, four hundred seventy-two thousand, eight hundred seventy-nine".