98665580858 has 16 divisors (see below), whose sum is σ = 159402823776. Its totient is φ = 45532256880.

The previous prime is 98665580809. The next prime is 98665580887. The reversal of 98665580858 is 85808556689.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22388 + ... + 444783.

It is an arithmetic number, because the mean of its divisors is an integer number (9962676486).

Almost surely, 2^98665580858 is an apocalyptic number.

98665580858 is a deficient number, since it is larger than the sum of its proper divisors (60737242918).

98665580858 is a wasteful number, since it uses less digits than its factorization.

98665580858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475309.

The product of its (nonzero) digits is 165888000, while the sum is 68.

The spelling of 98665580858 in words is "ninety-eight billion, six hundred sixty-five million, five hundred eighty thousand, eight hundred fifty-eight".