98128105739 has 8 divisors (see below), whose sum is σ = 100317934080. Its totient is φ = 95942527336.

The previous prime is 98128105727. The next prime is 98128105781. The reversal of 98128105739 is 93750182189.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98128105739 - 2⁴ = 98128105723 is a prime.

It is a super-2 number, since 2×98128105739² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98128135739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015769 + ... + 1108170.

It is an arithmetic number, because the mean of its divisors is an integer number (12539741760).

Almost surely, 2^98128105739 is an apocalyptic number.

98128105739 is a deficient number, since it is larger than the sum of its proper divisors (2189828341).

98128105739 is a wasteful number, since it uses less digits than its factorization.

98128105739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124969.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The spelling of 98128105739 in words is "ninety-eight billion, one hundred twenty-eight million, one hundred five thousand, seven hundred thirty-nine".