75328853777 has 2 divisors, whose sum is σ = 75328853778. Its totient is φ = 75328853776.

The previous prime is 75328853767. The next prime is 75328853839. The reversal of 75328853777 is 77735882357.

It is an a-pointer prime, because the next prime (75328853839) can be obtained adding 75328853777 to its sum of digits (62).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51329886721 + 23998967056 = 226561^2 + 154916^2 .

It is a cyclic number.

It is not a de Polignac number, because 75328853777 - 2⁸ = 75328853521 is a prime.

It is a super-2 number, since 2×75328853777² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (75328853767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37664426888 + 37664426889.

It is an arithmetic number, because the mean of its divisors is an integer number (37664426889).

Almost surely, 2^75328853777 is an apocalyptic number.

It is an amenable number.

75328853777 is a deficient number, since it is larger than the sum of its proper divisors (1).

75328853777 is an equidigital number, since it uses as much as digits as its factorization.

75328853777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69148800, while the sum is 62.

The spelling of 75328853777 in words is "seventy-five billion, three hundred twenty-eight million, eight hundred fifty-three thousand, seven hundred seventy-seven".