97444471265 has 4 divisors (see below), whose sum is σ = 116933365524. Its totient is φ = 77955577008.

The previous prime is 97444471193. The next prime is 97444471279. The reversal of 97444471265 is 56217444479.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31049611681 + 66394859584 = 176209^2 + 257672^2 .

It is a cyclic number.

It is not a de Polignac number, because 97444471265 - 2²⁰ = 97443422689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9744447122 + ... + 9744447131.

It is an arithmetic number, because the mean of its divisors is an integer number (29233341381).

Almost surely, 2^97444471265 is an apocalyptic number.

It is an amenable number.

97444471265 is a deficient number, since it is larger than the sum of its proper divisors (19488894259).

97444471265 is a wasteful number, since it uses less digits than its factorization.

97444471265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19488894258.

The product of its digits is 6773760, while the sum is 53.

The spelling of 97444471265 in words is "ninety-seven billion, four hundred forty-four million, four hundred seventy-one thousand, two hundred sixty-five".