98105533257 has 24 divisors (see below), whose sum is σ = 139277480832. Its totient is φ = 61413356800.

The previous prime is 98105533249. The next prime is 98105533277. The reversal of 98105533257 is 75233550189.

It is not a de Polignac number, because 98105533257 - 2³ = 98105533249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98105533277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242407 + ... + 504947.

It is an arithmetic number, because the mean of its divisors is an integer number (5803228368).

Almost surely, 2^98105533257 is an apocalyptic number.

It is an amenable number.

98105533257 is a deficient number, since it is larger than the sum of its proper divisors (41171947575).

98105533257 is a wasteful number, since it uses less digits than its factorization.

98105533257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263009 (or 262992 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 98105533257 in words is "ninety-eight billion, one hundred five million, five hundred thirty-three thousand, two hundred fifty-seven".