8729856467 has 2 divisors, whose sum is σ = 8729856468. Its totient is φ = 8729856466.

The previous prime is 8729856449. The next prime is 8729856503. The reversal of 8729856467 is 7646589278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8729856467 - 2⁶ = 8729856403 is a prime.

It is not a weakly prime, because it can be changed into another prime (8729856427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4364928233 + 4364928234.

It is an arithmetic number, because the mean of its divisors is an integer number (4364928234).

Almost surely, 2^8729856467 is an apocalyptic number.

8729856467 is a deficient number, since it is larger than the sum of its proper divisors (1).

8729856467 is an equidigital number, since it uses as much as digits as its factorization.

8729856467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40642560, while the sum is 62.

The square root of 8729856467 is about 93433.7009167463. The cubic root of 8729856467 is about 2059.0601540337.

The spelling of 8729856467 in words is "eight billion, seven hundred twenty-nine million, eight hundred fifty-six thousand, four hundred sixty-seven".