98557319820 has 48 divisors (see below), whose sum is σ = 275988158208. Its totient is φ = 26279317440.

The previous prime is 98557319807. The next prime is 98557319827. The reversal of 98557319820 is 2891375589.

It is not an unprimeable number, because it can be changed into a prime (98557319827) 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, 563025 + ... + 717015.

It is an arithmetic number, because the mean of its divisors is an integer number (5749753296).

Almost surely, 2^98557319820 is an apocalyptic number.

It is an amenable number.

98557319820 is an abundant number, since it is smaller than the sum of its proper divisors (177430838388).

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

98557319820 is a wasteful number, since it uses less digits than its factorization.

98557319820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164670 (or 164668 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 57.

The spelling of 98557319820 in words is "ninety-eight billion, five hundred fifty-seven million, three hundred nineteen thousand, eight hundred twenty".