97108811 has 4 divisors (see below), whose sum is σ = 102821112. Its totient is φ = 91396512.

The previous prime is 97108801. The next prime is 97108861. The reversal of 97108811 is 11880179.

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

It is a cyclic number.

It is not a de Polignac number, because 97108811 - 2⁶ = 97108747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97108801) 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, 2856125 + ... + 2856158.

It is an arithmetic number, because the mean of its divisors is an integer number (25705278).

Almost surely, 2^97108811 is an apocalyptic number.

97108811 is a deficient number, since it is larger than the sum of its proper divisors (5712301).

97108811 is a wasteful number, since it uses less digits than its factorization.

97108811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5712300.

The product of its (nonzero) digits is 4032, while the sum is 35.

The square root of 97108811 is about 9854.3802950769. The cubic root of 97108811 is about 459.6418305169.

The spelling of 97108811 in words is "ninety-seven million, one hundred eight thousand, eight hundred eleven".