97578201 has 16 divisors (see below), whose sum is σ = 148966784. Its totient is φ = 55655424.

The previous prime is 97578191. The next prime is 97578209. The reversal of 97578201 is 10287579.

It is not a de Polignac number, because 97578201 - 2¹⁵ = 97545433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97578201.

It is not an unprimeable number, because it can be changed into a prime (97578209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8091 + ... + 16143.

It is an arithmetic number, because the mean of its divisors is an integer number (9310424).

Almost surely, 2^97578201 is an apocalyptic number.

It is an amenable number.

97578201 is a deficient number, since it is larger than the sum of its proper divisors (51388583).

97578201 is a wasteful number, since it uses less digits than its factorization.

97578201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8640.

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 97578201 is about 9878.1678969331. The cubic root of 97578201 is about 460.3812230432.

It can be divided in two parts, 97578 and 201, that added together give a palindrome (97779).

The spelling of 97578201 in words is "ninety-seven million, five hundred seventy-eight thousand, two hundred one".