97645611 has 16 divisors (see below), whose sum is σ = 149554944. Its totient is φ = 55511904.

The previous prime is 97645609. The next prime is 97645621. The reversal of 97645611 is 11654679.

It is not a de Polignac number, because 97645611 - 2¹ = 97645609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97645611.

It is not an unprimeable number, because it can be changed into a prime (97645621) 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, 7665 + ... + 15938.

It is an arithmetic number, because the mean of its divisors is an integer number (9347184).

Almost surely, 2^97645611 is an apocalyptic number.

97645611 is a deficient number, since it is larger than the sum of its proper divisors (51909333).

97645611 is a wasteful number, since it uses less digits than its factorization.

97645611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23810.

The product of its digits is 45360, while the sum is 39.

The square root of 97645611 is about 9881.5793778120. The cubic root of 97645611 is about 460.4872137740.

The spelling of 97645611 in words is "ninety-seven million, six hundred forty-five thousand, six hundred eleven".