97201799 has 4 divisors (see below), whose sum is σ = 97221600. Its totient is φ = 97182000.

The previous prime is 97201787. The next prime is 97201829. The reversal of 97201799 is 99710279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99710279 = 797 ⋅125107.

It is a cyclic number.

It is not a de Polignac number, because 97201799 - 2¹² = 97197703 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 (97201759) 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, 3602 + ... + 14400.

It is an arithmetic number, because the mean of its divisors is an integer number (24305400).

Almost surely, 2^97201799 is an apocalyptic number.

97201799 is a deficient number, since it is larger than the sum of its proper divisors (19801).

97201799 is a wasteful number, since it uses less digits than its factorization.

97201799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19800.

The product of its (nonzero) digits is 71442, while the sum is 44.

The square root of 97201799 is about 9859.0972710487. The cubic root of 97201799 is about 459.7884960249.

The spelling of 97201799 in words is "ninety-seven million, two hundred one thousand, seven hundred ninety-nine".