98779196250 has 240 divisors, whose sum is σ = 316974385728. Its totient is φ = 22577616000.

The previous prime is 98779196233. The next prime is 98779196261. The reversal of 98779196250 is 5269197789.

It is a super-2 number, since 2×98779196250² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2103022 + ... + 2149478.

Almost surely, 2^98779196250 is an apocalyptic number.

98779196250 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 98779196250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158487192864).

98779196250 is an abundant number, since it is smaller than the sum of its proper divisors (218195189478).

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

98779196250 is an equidigital number, since it uses as much as digits as its factorization.

98779196250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46501 (or 46474 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 63.

The spelling of 98779196250 in words is "ninety-eight billion, seven hundred seventy-nine million, one hundred ninety-six thousand, two hundred fifty".