980204881 has 4 divisors (see below), whose sum is σ = 1001060352. Its totient is φ = 959349412.

The previous prime is 980204879. The next prime is 980204941. The reversal of 980204881 is 188402089.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 980204881 - 2¹ = 980204879 is a prime.

It is a super-2 number, since 2×980204881² = 1921603217472448322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980204821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10427665 + ... + 10427758.

It is an arithmetic number, because the mean of its divisors is an integer number (250265088).

Almost surely, 2^980204881 is an apocalyptic number.

It is an amenable number.

980204881 is a deficient number, since it is larger than the sum of its proper divisors (20855471).

980204881 is a wasteful number, since it uses less digits than its factorization.

980204881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20855470.

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 980204881 is about 31308.2238557220. The cubic root of 980204881 is about 993.3576032562.

The spelling of 980204881 in words is "nine hundred eighty million, two hundred four thousand, eight hundred eighty-one".