98647067287129 has 27 divisors (see below), whose sum is σ = 102666893674813. Its totient is φ = 94780740106304.

The previous prime is 98647067287123. The next prime is 98647067287157. The reversal of 98647067287129 is 92178276074689.

The square root of 98647067287129 is 9932123.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 13838660401225 + 84808406885904 = 3720035^2 + 9209148^2 .

It is not a de Polignac number, because 98647067287129 - 2⁹ = 98647067286617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98647067287123) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 68839543797 + ... + 68839545229.

Almost surely, 2^{98647067287129} is an apocalyptic number.

98647067287129 is the 9932123-rd square number.

98647067287129 is the 4966062-nd centered octagonal number.

It is an amenable number.

98647067287129 is a deficient number, since it is larger than the sum of its proper divisors (4019826387684).

98647067287129 is an frugal number, since it uses more digits than its factorization.

98647067287129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402 (or 1701 counting only the distinct ones).

The product of its (nonzero) digits is 1024192512, while the sum is 76.

The spelling of 98647067287129 in words is "ninety-eight trillion, six hundred forty-seven billion, sixty-seven million, two hundred eighty-seven thousand, one hundred twenty-nine".