98357705685 has 24 divisors (see below), whose sum is σ = 170585886744. Its totient is φ = 52426920960.

The previous prime is 98357705591. The next prime is 98357705731. The reversal of 98357705685 is 58650775389.

98357705685 is a `hidden beast` number, since 9 + 8 + 3 + 577 + 0 + 56 + 8 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 38473253316 + 59884452369 = 196146^2 + 244713^2 .

It is not a de Polignac number, because 98357705685 - 2⁸ = 98357705429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 557572 + ... + 712461.

It is an arithmetic number, because the mean of its divisors is an integer number (7107745281).

Almost surely, 2^98357705685 is an apocalyptic number.

It is an amenable number.

98357705685 is a deficient number, since it is larger than the sum of its proper divisors (72228181059).

98357705685 is a wasteful number, since it uses less digits than its factorization.

98357705685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271765 (or 1271762 counting only the distinct ones).

The product of its (nonzero) digits is 63504000, while the sum is 63.

The spelling of 98357705685 in words is "ninety-eight billion, three hundred fifty-seven million, seven hundred five thousand, six hundred eighty-five".