8986979997 has 8 divisors (see below), whose sum is σ = 13314044480. Its totient is φ = 5991319980.

The previous prime is 8986979983. The next prime is 8986980017. The reversal of 8986979997 is 7999796898.

It is not a de Polignac number, because 8986979997 - 2¹² = 8986975901 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 (8986179997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166425529 + ... + 166425582.

It is an arithmetic number, because the mean of its divisors is an integer number (1664255560).

Almost surely, 2^8986979997 is an apocalyptic number.

It is an amenable number.

8986979997 is a deficient number, since it is larger than the sum of its proper divisors (4327064483).

8986979997 is a wasteful number, since it uses less digits than its factorization.

8986979997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332851120 (or 332851114 counting only the distinct ones).

The product of its digits is 1111065984, while the sum is 81.

The square root of 8986979997 is about 94799.6835279528. The cubic root of 8986979997 is about 2079.0802760888.

The spelling of 8986979997 in words is "eight billion, nine hundred eighty-six million, nine hundred seventy-nine thousand, nine hundred ninety-seven".