98617787513 has 16 divisors (see below), whose sum is σ = 113240902656. Its totient is φ = 84128587200.

The previous prime is 98617787509. The next prime is 98617787551. The reversal of 98617787513 is 31578771689.

It is not a de Polignac number, because 98617787513 - 2² = 98617787509 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98617787503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9568463 + ... + 9578763.

It is an arithmetic number, because the mean of its divisors is an integer number (7077556416).

Almost surely, 2^98617787513 is an apocalyptic number.

It is an amenable number.

98617787513 is a deficient number, since it is larger than the sum of its proper divisors (14623115143).

98617787513 is a wasteful number, since it uses less digits than its factorization.

98617787513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16664.

The product of its digits is 17781120, while the sum is 62.

The spelling of 98617787513 in words is "ninety-eight billion, six hundred seventeen million, seven hundred eighty-seven thousand, five hundred thirteen".