98718571661284 has 9 divisors (see below), whose sum is σ = 172757535182281. Its totient is φ = 49359275894920.

The previous prime is 98718571661189. The next prime is 98718571661399. The reversal of 98718571661284 is 48216617581789.

The square root of 98718571661284 is 9935722.

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

It can be written as a sum of positive squares in only one way, i.e., 19476528421284 + 79242043240000 = 4413222^2 + 8901800^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 17387514 + ... + 22355374.

Almost surely, 2^{98718571661284} is an apocalyptic number.

98718571661284 is the 9935722-nd square number.

It is an amenable number.

98718571661284 is a deficient number, since it is larger than the sum of its proper divisors (74038963520997).

98718571661284 is an frugal number, since it uses more digits than its factorization.

98718571661284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9935726 (or 4967863 counting only the distinct ones).

The product of its digits is 325140480, while the sum is 73.

The spelling of 98718571661284 in words is "ninety-eight trillion, seven hundred eighteen billion, five hundred seventy-one million, six hundred sixty-one thousand, two hundred eighty-four".