97656484552645 has 32 divisors (see below), whose sum is σ = 126911710903680. Its totient is φ = 71909909913600.

The previous prime is 97656484552643. The next prime is 97656484552691. The reversal of 97656484552645 is 54625548465679.

It is not a de Polignac number, because 97656484552645 - 2¹ = 97656484552643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97656484552643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104622556 + ... + 105551845.

It is an arithmetic number, because the mean of its divisors is an integer number (3965990965740).

Almost surely, 2^{97656484552645} is an apocalyptic number.

97656484552645 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

97656484552645 is a deficient number, since it is larger than the sum of its proper divisors (29255226351035).

97656484552645 is a wasteful number, since it uses less digits than its factorization.

97656484552645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210174565.

The product of its digits is 8709120000, while the sum is 76.

The spelling of 97656484552645 in words is "ninety-seven trillion, six hundred fifty-six billion, four hundred eighty-four million, five hundred fifty-two thousand, six hundred forty-five".