97973089 has 4 divisors (see below), whose sum is σ = 97995780. Its totient is φ = 97950400.

The previous prime is 97973053. The next prime is 97973093. The reversal of 97973089 is 98037979.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51624225 + 46348864 = 7185^2 + 6808^2 .

It is a cyclic number.

It is not a de Polignac number, because 97973089 - 2⁹ = 97972577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97973189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2644 + ... + 14245.

It is an arithmetic number, because the mean of its divisors is an integer number (24498945).

Almost surely, 2^97973089 is an apocalyptic number.

It is an amenable number.

97973089 is a deficient number, since it is larger than the sum of its proper divisors (22691).

97973089 is a wasteful number, since it uses less digits than its factorization.

97973089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22690.

The product of its (nonzero) digits is 857304, while the sum is 52.

The square root of 97973089 is about 9898.1356325320. The cubic root of 97973089 is about 461.0014241686.

The spelling of 97973089 in words is "ninety-seven million, nine hundred seventy-three thousand, eighty-nine".