75310312797 has 12 divisors (see below), whose sum is σ = 109474441180. Its totient is φ = 49887085248.

The previous prime is 75310312757. The next prime is 75310312811. The reversal of 75310312797 is 79721301357.

75310312797 is a `hidden beast` number, since 7 + 531 + 0 + 3 + 1 + 27 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32234970681 + 43075342116 = 179541^2 + 207546^2 .

It is not a de Polignac number, because 75310312797 - 2¹² = 75310308701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75310312717) 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 in 11 ways as a sum of consecutive naturals, for example, 26647672 + ... + 26650497.

Almost surely, 2^75310312797 is an apocalyptic number.

It is an amenable number.

75310312797 is a deficient number, since it is larger than the sum of its proper divisors (34164128383).

75310312797 is a wasteful number, since it uses less digits than its factorization.

75310312797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53298332 (or 53298329 counting only the distinct ones).

The product of its (nonzero) digits is 277830, while the sum is 45.

The spelling of 75310312797 in words is "seventy-five billion, three hundred ten million, three hundred twelve thousand, seven hundred ninety-seven".