98129281720 has 32 divisors (see below), whose sum is σ = 220805086320. Its totient is φ = 39249187840.

The previous prime is 98129281597. The next prime is 98129281759. The reversal of 98129281720 is 2718292189.

It is a super-3 number, since 3×98129281720³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629160 + ... + 769480.

Almost surely, 2^98129281720 is an apocalyptic number.

It is an amenable number.

98129281720 is an abundant number, since it is smaller than the sum of its proper divisors (122675804600).

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

98129281720 is a wasteful number, since it uses less digits than its factorization.

98129281720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157815 (or 157811 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 49.

The spelling of 98129281720 in words is "ninety-eight billion, one hundred twenty-nine million, two hundred eighty-one thousand, seven hundred twenty".