989380979002 has 8 divisors (see below), whose sum is σ = 1598230812276. Its totient is φ = 456637374912.

The previous prime is 989380978987. The next prime is 989380979017. The reversal of 989380979002 is 200979083989.

It is an interprime number because it is at equal distance from previous prime (989380978987) and next prime (989380979017).

It can be written as a sum of positive squares in 2 ways, for example, as 738260726841 + 251120252161 = 859221^2 + 501119^2 .

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

It is a super-2 number, since 2×989380979002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19026557263 + ... + 19026557314.

Almost surely, 2^989380979002 is an apocalyptic number.

989380979002 is a deficient number, since it is larger than the sum of its proper divisors (608849833274).

989380979002 is a wasteful number, since it uses less digits than its factorization.

989380979002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38053114592.

The product of its (nonzero) digits is 17635968, while the sum is 64.

The spelling of 989380979002 in words is "nine hundred eighty-nine billion, three hundred eighty million, nine hundred seventy-nine thousand, two".