98697974718 has 96 divisors (see below), whose sum is σ = 233285034528. Its totient is φ = 27753062400.

The previous prime is 98697974717. The next prime is 98697974719. The reversal of 98697974718 is 81747979689.

It is an interprime number because it is at equal distance from previous prime (98697974717) and next prime (98697974719).

It is a self number, because there is not a number n which added to its sum of digits gives 98697974718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98697974717) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5152198 + ... + 5171318.

It is an arithmetic number, because the mean of its divisors is an integer number (2430052443).

Almost surely, 2^98697974718 is an apocalyptic number.

98697974718 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 98697974718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116642517264).

98697974718 is an abundant number, since it is smaller than the sum of its proper divisors (134587059810).

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

98697974718 is a wasteful number, since it uses less digits than its factorization.

98697974718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19418 (or 19411 counting only the distinct ones).

The product of its digits is 384072192, while the sum is 75.

The spelling of 98697974718 in words is "ninety-eight billion, six hundred ninety-seven million, nine hundred seventy-four thousand, seven hundred eighteen".