98657502720 has 640 divisors, whose sum is σ = 381625288704. Its totient is φ = 21254897664.

The previous prime is 98657502719. The next prime is 98657502787. The reversal of 98657502720 is 2720575689.

It is a tau number, because it is divible by the number of its divisors (640).

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, 90262494 + ... + 90263586.

Almost surely, 2^98657502720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98657502720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190812644352).

98657502720 is an abundant number, since it is smaller than the sum of its proper divisors (282967785984).

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

98657502720 is a wasteful number, since it uses less digits than its factorization.

98657502720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 51.

The spelling of 98657502720 in words is "ninety-eight billion, six hundred fifty-seven million, five hundred two thousand, seven hundred twenty".