97109711 has 4 divisors (see below), whose sum is σ = 97296624. Its totient is φ = 96922800.

The previous prime is 97109699. The next prime is 97109713. The reversal of 97109711 is 11790179.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11790179 = 1459 ⋅8081.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97109711 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 (97109713) 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, 92675 + ... + 93716.

It is an arithmetic number, because the mean of its divisors is an integer number (24324156).

Almost surely, 2^97109711 is an apocalyptic number.

97109711 is a deficient number, since it is larger than the sum of its proper divisors (186913).

97109711 is a wasteful number, since it uses less digits than its factorization.

97109711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186912.

The product of its (nonzero) digits is 3969, while the sum is 35.

The square root of 97109711 is about 9854.4259599431. The cubic root of 97109711 is about 459.6432504923.

The spelling of 97109711 in words is "ninety-seven million, one hundred nine thousand, seven hundred eleven".