989777327 has 8 divisors (see below), whose sum is σ = 1234008192. Its totient is φ = 771255000.

The previous prime is 989777309. The next prime is 989777357. The reversal of 989777327 is 723777989.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 989777327 - 2⁶ = 989777263 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 (989777357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6427049 + ... + 6427202.

It is an arithmetic number, because the mean of its divisors is an integer number (154251024).

Almost surely, 2^989777327 is an apocalyptic number.

989777327 is a deficient number, since it is larger than the sum of its proper divisors (244230865).

989777327 is a wasteful number, since it uses less digits than its factorization.

989777327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12854269.

The product of its digits is 9335088, while the sum is 59.

The square root of 989777327 is about 31460.7267398577. The cubic root of 989777327 is about 996.5807644868.

The spelling of 989777327 in words is "nine hundred eighty-nine million, seven hundred seventy-seven thousand, three hundred twenty-seven".