98431280266872 has 256 divisors, whose sum is σ = 308208366489600. Its totient is φ = 25542509690880.

The previous prime is 98431280266859. The next prime is 98431280266873. The reversal of 98431280266872 is 27866208213489.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98431280266873) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 154812097 + ... + 155446607.

It is an arithmetic number, because the mean of its divisors is an integer number (1203938931600).

Almost surely, 2^{98431280266872} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98431280266872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154104183244800).

98431280266872 is an abundant number, since it is smaller than the sum of its proper divisors (209777086222728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98431280266872 is a wasteful number, since it uses less digits than its factorization.

98431280266872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636446 (or 636442 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 66.

The spelling of 98431280266872 in words is "ninety-eight trillion, four hundred thirty-one billion, two hundred eighty million, two hundred sixty-six thousand, eight hundred seventy-two".