980728089 has 16 divisors (see below), whose sum is σ = 1428510720. Its totient is φ = 593548560.

The previous prime is 980728087. The next prime is 980728093. The reversal of 980728089 is 980827089.

It is not a de Polignac number, because 980728089 - 2¹ = 980728087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (980728087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3552 + ... + 44430.

It is an arithmetic number, because the mean of its divisors is an integer number (89281920).

Almost surely, 2^980728089 is an apocalyptic number.

It is an amenable number.

980728089 is a deficient number, since it is larger than the sum of its proper divisors (447782631).

980728089 is a wasteful number, since it uses less digits than its factorization.

980728089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41620.

The product of its (nonzero) digits is 580608, while the sum is 51.

The square root of 980728089 is about 31316.5785008516. The cubic root of 980728089 is about 993.5343146795.

The spelling of 980728089 in words is "nine hundred eighty million, seven hundred twenty-eight thousand, eighty-nine".