980639927 has 6 divisors (see below), whose sum is σ = 1005143064. Its totient is φ = 956720240.

The previous prime is 980639923. The next prime is 980639929. The reversal of 980639927 is 729936089.

It is not a de Polignac number, because 980639927 - 2² = 980639923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980639921) 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 5 ways as a sum of consecutive naturals, for example, 290003 + ... + 293364.

It is an arithmetic number, because the mean of its divisors is an integer number (167523844).

Almost surely, 2^980639927 is an apocalyptic number.

980639927 is a deficient number, since it is larger than the sum of its proper divisors (24503137).

980639927 is an equidigital number, since it uses as much as digits as its factorization.

980639927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583449 (or 583408 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 980639927 is about 31315.1708761105. The cubic root of 980639927 is about 993.5045427179.

The spelling of 980639927 in words is "nine hundred eighty million, six hundred thirty-nine thousand, nine hundred twenty-seven".