97065544628565 has 12 divisors (see below), whose sum is σ = 168246944022924. Its totient is φ = 51768290468544.

The previous prime is 97065544628543. The next prime is 97065544628567. The reversal of 97065544628565 is 56582644556079.

97065544628565 is a `hidden beast` number, since 9 + 7 + 0 + 6 + 5 + 54 + 4 + 6 + 2 + 8 + 565 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19469776776849 + 77595767851716 = 4412457^2 + 8808846^2 .

It is not a de Polignac number, because 97065544628565 - 2⁸ = 97065544628309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97065544628493 and 97065544628502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97065544628567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1078506051384 + ... + 1078506051473.

It is an arithmetic number, because the mean of its divisors is an integer number (14020578668577).

Almost surely, 2^{97065544628565} is an apocalyptic number.

It is an amenable number.

97065544628565 is a deficient number, since it is larger than the sum of its proper divisors (71181399394359).

97065544628565 is a wasteful number, since it uses less digits than its factorization.

97065544628565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157012102868 (or 2157012102865 counting only the distinct ones).

The product of its (nonzero) digits is 2177280000, while the sum is 72.

The spelling of 97065544628565 in words is "ninety-seven trillion, sixty-five billion, five hundred forty-four million, six hundred twenty-eight thousand, five hundred sixty-five".