97008989 has 32 divisors (see below), whose sum is σ = 125604864. Its totient is φ = 72737280.

The previous prime is 97008979. The next prime is 97009051. The reversal of 97008989 is 98980079.

It is a de Polignac number, because none of the positive numbers 2^k-97008989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97008929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274637 + ... + 274989.

It is an arithmetic number, because the mean of its divisors is an integer number (3925152).

Almost surely, 2^97008989 is an apocalyptic number.

It is an amenable number.

97008989 is a deficient number, since it is larger than the sum of its proper divisors (28595875).

97008989 is a wasteful number, since it uses less digits than its factorization.

97008989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497.

The product of its (nonzero) digits is 326592, while the sum is 50.

The square root of 97008989 is about 9849.3141385581. The cubic root of 97008989 is about 459.4842818291.

The spelling of 97008989 in words is "ninety-seven million, eight thousand, nine hundred eighty-nine".