97044813 has 12 divisors (see below), whose sum is σ = 142097020. Its totient is φ = 63809856.

The previous prime is 97044811. The next prime is 97044833. The reversal of 97044813 is 31844079.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37785609 + 59259204 = 6147^2 + 7698^2 .

It is not a de Polignac number, because 97044813 - 2¹ = 97044811 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97044811) 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 11 ways as a sum of consecutive naturals, for example, 73198 + ... + 74511.

Almost surely, 2^97044813 is an apocalyptic number.

It is an amenable number.

97044813 is a deficient number, since it is larger than the sum of its proper divisors (45052207).

97044813 is a wasteful number, since it uses less digits than its factorization.

97044813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147788 (or 147785 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 97044813 is about 9851.1325744810. The cubic root of 97044813 is about 459.5408351420.

The spelling of 97044813 in words is "ninety-seven million, forty-four thousand, eight hundred thirteen".