97866065 has 16 divisors (see below), whose sum is σ = 131098176. Its totient is φ = 69518400.

The previous prime is 97866061. The next prime is 97866089. The reversal of 97866065 is 56066879.

It is not a de Polignac number, because 97866065 - 2² = 97866061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97866061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18326 + ... + 23055.

It is an arithmetic number, because the mean of its divisors is an integer number (8193636).

Almost surely, 2^97866065 is an apocalyptic number.

It is an amenable number.

97866065 is a deficient number, since it is larger than the sum of its proper divisors (33232111).

97866065 is a wasteful number, since it uses less digits than its factorization.

97866065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41440.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 97866065 is about 9892.7278846636. The cubic root of 97866065 is about 460.8334998497.

It can be divided in two parts, 9786 and 6065, that added together give a palindrome (15851).

The spelling of 97866065 in words is "ninety-seven million, eight hundred sixty-six thousand, sixty-five".