97209875 has 48 divisors (see below), whose sum is σ = 144050400. Its totient is φ = 65284800.

The previous prime is 97209823. The next prime is 97209877. The reversal of 97209875 is 57890279.

It is not a de Polignac number, because 97209875 - 2¹⁰ = 97208851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97209877) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 361241 + ... + 361509.

It is an arithmetic number, because the mean of its divisors is an integer number (3001050).

Almost surely, 2^97209875 is an apocalyptic number.

97209875 is a deficient number, since it is larger than the sum of its proper divisors (46840525).

97209875 is a wasteful number, since it uses less digits than its factorization.

97209875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 97209875 is about 9859.5068335085. The cubic root of 97209875 is about 459.8012294966.

The spelling of 97209875 in words is "ninety-seven million, two hundred nine thousand, eight hundred seventy-five".