98938877883989 has 16 divisors (see below), whose sum is σ = 117707224830720. Its totient is φ = 81974674416960.

The previous prime is 98938877883961. The next prime is 98938877884001.

98938877883989 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 98938877883989 - 2⁴⁴ = 81346691839573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98938877883892 and 98938877883901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98938877883289) 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, 4378977722 + ... + 4379000315.

It is an arithmetic number, because the mean of its divisors is an integer number (7356701551920).

Almost surely, 2^{98938877883989} is an apocalyptic number.

It is an amenable number.

98938877883989 is a deficient number, since it is larger than the sum of its proper divisors (18768346946731).

98938877883989 is a wasteful number, since it uses less digits than its factorization.

98938877883989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8757978140.

The product of its digits is 758487711744, while the sum is 104.

The spelling of 98938877883989 in words is "ninety-eight trillion, nine hundred thirty-eight billion, eight hundred seventy-seven million, eight hundred eighty-three thousand, nine hundred eighty-nine".