98715984481 has 9 divisors (see below), whose sum is σ = 99096673491. Its totient is φ = 98336755944.

The previous prime is 98715984469. The next prime is 98715984487. The reversal of 98715984481 is 18448951789.

The square root of 98715984481 is 314191.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 56830268881 + 41885715600 = 238391^2 + 204660^2 .

It is not a de Polignac number, because 98715984481 - 2¹¹ = 98715982433 is a prime.

It is a super-2 number, since 2×98715984481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98715984487) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 119077975 + ... + 119078803.

It is an arithmetic number, because the mean of its divisors is an integer number (11010741499).

Almost surely, 2^98715984481 is an apocalyptic number.

98715984481 is the 314191-st square number.

98715984481 is the 157096-th centered octagonal number.

It is an amenable number.

98715984481 is a deficient number, since it is larger than the sum of its proper divisors (380689010).

98715984481 is an frugal number, since it uses more digits than its factorization.

98715984481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416 (or 1208 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 64.

Multiplying 98715984481 by its sum of digits (64), we get a square (6317823006784 = 2513528²).

The spelling of 98715984481 in words is "ninety-eight billion, seven hundred fifteen million, nine hundred eighty-four thousand, four hundred eighty-one".