98646647814 has 96 divisors (see below), whose sum is σ = 251675424000. Its totient is φ = 27530297280.

The previous prime is 98646647797. The next prime is 98646647819. The reversal of 98646647814 is 41874664689.

98646647814 is a `hidden beast` number, since 98 + 6 + 4 + 66 + 478 + 14 = 666.

It is a super-2 number, since 2×98646647814² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98646647819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1086337 + ... + 1173635.

It is an arithmetic number, because the mean of its divisors is an integer number (2621619000).

Almost surely, 2^98646647814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98646647814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125837712000).

98646647814 is an abundant number, since it is smaller than the sum of its proper divisors (153028776186).

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

98646647814 is a wasteful number, since it uses less digits than its factorization.

98646647814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87770 (or 87767 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 63.

The spelling of 98646647814 in words is "ninety-eight billion, six hundred forty-six million, six hundred forty-seven thousand, eight hundred fourteen".