98957455475989 has 16 divisors (see below), whose sum is σ = 108430906499136. Its totient is φ = 89563570384000.

The previous prime is 98957455475971. The next prime is 98957455476037.

98957455475989 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 98957455475989 - 2¹¹ = 98957455473941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98957455475897 and 98957455475906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98957455475189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173008779 + ... + 173579815.

It is an arithmetic number, because the mean of its divisors is an integer number (6776931656196).

Almost surely, 2^{98957455475989} is an apocalyptic number.

It is an amenable number.

98957455475989 is a deficient number, since it is larger than the sum of its proper divisors (9473451023147).

98957455475989 is a wasteful number, since it uses less digits than its factorization.

98957455475989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640676.

The product of its digits is 205752960000, while the sum is 94.

The spelling of 98957455475989 in words is "ninety-eight trillion, nine hundred fifty-seven billion, four hundred fifty-five million, four hundred seventy-five thousand, nine hundred eighty-nine".