979610989 has 12 divisors (see below), whose sum is σ = 1163795904. Its totient is φ = 821799384.

The previous prime is 979610971. The next prime is 979611023. The reversal of 979610989 is 989016979.

It is not a de Polignac number, because 979610989 - 2⁷ = 979610861 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 (979610389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210379 + ... + 214984.

It is an arithmetic number, because the mean of its divisors is an integer number (96982992).

Almost surely, 2^979610989 is an apocalyptic number.

It is an amenable number.

979610989 is a deficient number, since it is larger than the sum of its proper divisors (184184915).

979610989 is a wasteful number, since it uses less digits than its factorization.

979610989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425424 (or 425417 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 58.

The square root of 979610989 is about 31298.7378180015. The cubic root of 979610989 is about 993.1569423766.

The spelling of 979610989 in words is "nine hundred seventy-nine million, six hundred ten thousand, nine hundred eighty-nine".