89318979 has 18 divisors (see below), whose sum is σ = 131286116. Its totient is φ = 58516200.

The previous prime is 89318963. The next prime is 89318987. The reversal of 89318979 is 97981398.

It is not a de Polignac number, because 89318979 - 2⁴ = 89318963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89318909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29904 + ... + 32754.

Almost surely, 2^89318979 is an apocalyptic number.

89318979 is a deficient number, since it is larger than the sum of its proper divisors (41967137).

89318979 is a wasteful number, since it uses less digits than its factorization.

89318979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975 (or 2913 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The square root of 89318979 is about 9450.8718645424. The cubic root of 89318979 is about 447.0072668218.

The spelling of 89318979 in words is "eighty-nine million, three hundred eighteen thousand, nine hundred seventy-nine".