98101078715861 has 8 divisors (see below), whose sum is σ = 105647395549080. Its totient is φ = 90554773312512.

The previous prime is 98101078715753. The next prime is 98101078715867. The reversal of 98101078715861 is 16851787010189.

It can be written as a sum of positive squares in 4 ways, for example, as 10333691735236 + 87767386980625 = 3214606^2 + 9368425^2 .

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 98101078715861 - 2¹⁸ = 98101078453717 is a prime.

It is a super-2 number, since 2×98101078715861² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98101078715794 and 98101078715803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98101078715867) 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, 25098245 + ... + 28742373.

It is an arithmetic number, because the mean of its divisors is an integer number (13205924443635).

Almost surely, 2^{98101078715861} is an apocalyptic number.

It is an amenable number.

98101078715861 is a deficient number, since it is larger than the sum of its proper divisors (7546316833219).

98101078715861 is a wasteful number, since it uses less digits than its factorization.

98101078715861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714935.

The product of its (nonzero) digits is 6773760, while the sum is 62.

The spelling of 98101078715861 in words is "ninety-eight trillion, one hundred one billion, seventy-eight million, seven hundred fifteen thousand, eight hundred sixty-one".