98938877883990 has 128 divisors (see below), whose sum is σ = 247334160752640. Its totient is φ = 25309181134848.

The previous prime is 98938877883961. The next prime is 98938877884001. The reversal of 98938877883990 is 9938877883989.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72333651 + ... + 73688769.

It is an arithmetic number, because the mean of its divisors is an integer number (1932298130880).

Almost surely, 2^{98938877883990} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98938877883990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123667080376320).

98938877883990 is an abundant number, since it is smaller than the sum of its proper divisors (148395282868650).

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

98938877883990 is a wasteful number, since it uses less digits than its factorization.

98938877883990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356206.

The product of its (nonzero) digits is 94810963968, while the sum is 96.

The spelling of 98938877883990 in words is "ninety-eight trillion, nine hundred thirty-eight billion, eight hundred seventy-seven million, eight hundred eighty-three thousand, nine hundred ninety".