872571147629 has 2 divisors, whose sum is σ = 872571147630. Its totient is φ = 872571147628.

The previous prime is 872571147611. The next prime is 872571147631. The reversal of 872571147629 is 926741175278.

It is a happy number.

872571147629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 872172945604 + 398202025 = 933902^2 + 19955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-872571147629 is a prime.

It is a super-2 number, since 2×872571147629² (a number of 25 digits) contains 22 as substring.

Together with 872571147631, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872571147829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436285573814 + 436285573815.

It is an arithmetic number, because the mean of its divisors is an integer number (436285573815).

Almost surely, 2^872571147629 is an apocalyptic number.

It is an amenable number.

872571147629 is a deficient number, since it is larger than the sum of its proper divisors (1).

872571147629 is an equidigital number, since it uses as much as digits as its factorization.

872571147629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11854080, while the sum is 59.

The spelling of 872571147629 in words is "eight hundred seventy-two billion, five hundred seventy-one million, one hundred forty-seven thousand, six hundred twenty-nine".