98805863555 has 48 divisors (see below), whose sum is σ = 140322474144. Its totient is φ = 66577029120.

The previous prime is 98805863539. The next prime is 98805863561. The reversal of 98805863555 is 55536850889.

It is a Cunningham number, because it is equal to 314334²-1.

It is not a de Polignac number, because 98805863555 - 2⁴ = 98805863539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19171859 + ... + 19177011.

It is an arithmetic number, because the mean of its divisors is an integer number (2923384878).

Almost surely, 2^98805863555 is an apocalyptic number.

98805863555 is a deficient number, since it is larger than the sum of its proper divisors (41516610589).

98805863555 is a wasteful number, since it uses less digits than its factorization.

98805863555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6516 (or 6509 counting only the distinct ones).

The product of its (nonzero) digits is 51840000, while the sum is 62.

The spelling of 98805863555 in words is "ninety-eight billion, eight hundred five million, eight hundred sixty-three thousand, five hundred fifty-five".