872675456729 has 2 divisors, whose sum is σ = 872675456730. Its totient is φ = 872675456728.

The previous prime is 872675456701. The next prime is 872675456771. The reversal of 872675456729 is 927654576278.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 606163459225 + 266511997504 = 778565^2 + 516248^2 .

It is a cyclic number.

It is not a de Polignac number, because 872675456729 - 2²⁸ = 872407021273 is a prime.

It is not a weakly prime, because it can be changed into another prime (872675456929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436337728364 + 436337728365.

It is an arithmetic number, because the mean of its divisors is an integer number (436337728365).

Almost surely, 2^872675456729 is an apocalyptic number.

It is an amenable number.

872675456729 is a deficient number, since it is larger than the sum of its proper divisors (1).

872675456729 is an equidigital number, since it uses as much as digits as its factorization.

872675456729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 355622400, while the sum is 68.

The spelling of 872675456729 in words is "eight hundred seventy-two billion, six hundred seventy-five million, four hundred fifty-six thousand, seven hundred twenty-nine".