9880558801 has 3 divisors (see below), whose sum is σ = 9880658203. Its totient is φ = 9880459400.

The previous prime is 9880558777. The next prime is 9880558813. The reversal of 9880558801 is 1088550889.

The square root of 9880558801 is 99401.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 6304518801 + 3576040000 = 79401^2 + 59800^2 .

It is not a de Polignac number, because 9880558801 - 2⁷ = 9880558673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9880558001) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 49701 + ... + 149101.

Almost surely, 2^9880558801 is an apocalyptic number.

9880558801 is the 99401-st square number.

9880558801 is the 49701-st centered octagonal number.

It is an amenable number.

9880558801 is a deficient number, since it is larger than the sum of its proper divisors (99402).

9880558801 is an frugal number, since it uses more digits than its factorization.

9880558801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198802 (or 99401 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 52.

The cubic root of 9880558801 is about 2145.8227021866.

The spelling of 9880558801 in words is "nine billion, eight hundred eighty million, five hundred fifty-eight thousand, eight hundred one".