97653122757 has 6 divisors (see below), whose sum is σ = 141054510662. Its totient is φ = 65102081832.

The previous prime is 97653122737. The next prime is 97653122761. The reversal of 97653122757 is 75722135679.

It can be written as a sum of positive squares in only one way, i.e., 91541948481 + 6111174276 = 302559^2 + 78174^2 .

It is not a de Polignac number, because 97653122757 - 2¹⁶ = 97653057221 is a prime.

It is a super-2 number, since 2×97653122757² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97653122737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5425173478 + ... + 5425173495.

Almost surely, 2^97653122757 is an apocalyptic number.

It is an amenable number.

97653122757 is a deficient number, since it is larger than the sum of its proper divisors (43401387905).

97653122757 is a wasteful number, since it uses less digits than its factorization.

97653122757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10850346979 (or 10850346976 counting only the distinct ones).

The product of its digits is 5556600, while the sum is 54.

The spelling of 97653122757 in words is "ninety-seven billion, six hundred fifty-three million, one hundred twenty-two thousand, seven hundred fifty-seven".