8472356766539 has 2 divisors, whose sum is σ = 8472356766540. Its totient is φ = 8472356766538.

The previous prime is 8472356766521. The next prime is 8472356766593. The reversal of 8472356766539 is 9356676532748.

Together with next prime (8472356766593) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8472356766539 is a prime.

It is not a weakly prime, because it can be changed into another prime (8472356766439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4236178383269 + 4236178383270.

It is an arithmetic number, because the mean of its divisors is an integer number (4236178383270).

Almost surely, 2^{8472356766539} is an apocalyptic number.

8472356766539 is a deficient number, since it is larger than the sum of its proper divisors (1).

8472356766539 is an equidigital number, since it uses as much as digits as its factorization.

8472356766539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1371686400, while the sum is 71.

The spelling of 8472356766539 in words is "eight trillion, four hundred seventy-two billion, three hundred fifty-six million, seven hundred sixty-six thousand, five hundred thirty-nine".