98969780 has 144 divisors (see below), whose sum is σ = 265628160. Its totient is φ = 30311424.

The previous prime is 98969771. The next prime is 98969791. The reversal of 98969780 is 8796989.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1111976 + ... + 1112064.

It is an arithmetic number, because the mean of its divisors is an integer number (1844640).

Almost surely, 2^98969780 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 98969780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132814080).

98969780 is an abundant number, since it is smaller than the sum of its proper divisors (166658380).

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

98969780 is a wasteful number, since it uses less digits than its factorization.

98969780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 56.

The square root of 98969780 is about 9948.3556430196. The cubic root of 98969780 is about 462.5594255271.

The spelling of 98969780 in words is "ninety-eight million, nine hundred sixty-nine thousand, seven hundred eighty".