980216177 has 4 divisors (see below), whose sum is σ = 981805476. Its totient is φ = 978626880.

The previous prime is 980216129. The next prime is 980216203. The reversal of 980216177 is 771612089.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 771612089 = 59 ⋅13078171.

It can be written as a sum of positive squares in 2 ways, for example, as 527207521 + 453008656 = 22961^2 + 21284^2 .

It is a cyclic number.

It is not a de Polignac number, because 980216177 - 2¹⁰ = 980215153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980216117) 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, 793724 + ... + 794957.

It is an arithmetic number, because the mean of its divisors is an integer number (245451369).

Almost surely, 2^980216177 is an apocalyptic number.

It is an amenable number.

980216177 is a deficient number, since it is larger than the sum of its proper divisors (1589299).

980216177 is a wasteful number, since it uses less digits than its factorization.

980216177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589298.

The product of its (nonzero) digits is 42336, while the sum is 41.

The square root of 980216177 is about 31308.4042550878. The cubic root of 980216177 is about 993.3614190994.

The spelling of 980216177 in words is "nine hundred eighty million, two hundred sixteen thousand, one hundred seventy-seven".