97816611 has 16 divisors (see below), whose sum is σ = 135803808. Its totient is φ = 62572800.

The previous prime is 97816603. The next prime is 97816613. The reversal of 97816611 is 11661879.

It is not a de Polignac number, because 97816611 - 2³ = 97816603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97816611.

It is not an unprimeable number, because it can be changed into a prime (97816613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985 + ... + 14021.

It is an arithmetic number, because the mean of its divisors is an integer number (8487738).

Almost surely, 2^97816611 is an apocalyptic number.

97816611 is a deficient number, since it is larger than the sum of its proper divisors (37987197).

97816611 is a wasteful number, since it uses less digits than its factorization.

97816611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13142.

The product of its digits is 18144, while the sum is 39.

The square root of 97816611 is about 9890.2280560157. The cubic root of 97816611 is about 460.7558634740.

The spelling of 97816611 in words is "ninety-seven million, eight hundred sixteen thousand, six hundred eleven".