98129880 has 160 divisors (see below), whose sum is σ = 340813440. Its totient is φ = 25297920.

The previous prime is 98129861. The next prime is 98129893. The reversal of 98129880 is 8892189.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 99952 + ... + 100928.

It is an arithmetic number, because the mean of its divisors is an integer number (2130084).

Almost surely, 2^98129880 is an apocalyptic number.

98129880 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98129880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170406720).

98129880 is an abundant number, since it is smaller than the sum of its proper divisors (242683560).

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

98129880 is a wasteful number, since it uses less digits than its factorization.

98129880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The square root of 98129880 is about 9906.0526951960. The cubic root of 98129880 is about 461.2472139431.

The spelling of 98129880 in words is "ninety-eight million, one hundred twenty-nine thousand, eight hundred eighty".