75773036617 has 2 divisors, whose sum is σ = 75773036618. Its totient is φ = 75773036616.

The previous prime is 75773036597. The next prime is 75773036623. The reversal of 75773036617 is 71663037757.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58279270921 + 17493765696 = 241411^2 + 132264^2 .

It is a cyclic number.

It is not a de Polignac number, because 75773036617 - 2¹⁵ = 75773003849 is a prime.

It is a super-2 number, since 2×75773036617² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (75773036687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37886518308 + 37886518309.

It is an arithmetic number, because the mean of its divisors is an integer number (37886518309).

Almost surely, 2^75773036617 is an apocalyptic number.

It is an amenable number.

75773036617 is a deficient number, since it is larger than the sum of its proper divisors (1).

75773036617 is an equidigital number, since it uses as much as digits as its factorization.

75773036617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3889620, while the sum is 52.

The spelling of 75773036617 in words is "seventy-five billion, seven hundred seventy-three million, thirty-six thousand, six hundred seventeen".