98850612403861 has 16 divisors (see below), whose sum is σ = 99897869055600. Its totient is φ = 97806002715648.

The previous prime is 98850612403859. The next prime is 98850612403909. The reversal of 98850612403861 is 16830421605889.

It can be written as a sum of positive squares in 8 ways, for example, as 46018401361 + 98804594002500 = 214519^2 + 9940050^2 .

It is a cyclic number.

It is not a de Polignac number, because 98850612403861 - 2¹ = 98850612403859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98850612403861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98850612403561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226578045 + ... + 227013901.

It is an arithmetic number, because the mean of its divisors is an integer number (6243616815975).

Almost surely, 2^{98850612403861} is an apocalyptic number.

It is an amenable number.

98850612403861 is a deficient number, since it is larger than the sum of its proper divisors (1047256651739).

98850612403861 is a wasteful number, since it uses less digits than its factorization.

98850612403861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438888.

The product of its (nonzero) digits is 19906560, while the sum is 61.

The spelling of 98850612403861 in words is "ninety-eight trillion, eight hundred fifty billion, six hundred twelve million, four hundred three thousand, eight hundred sixty-one".