75479700757 has 2 divisors, whose sum is σ = 75479700758. Its totient is φ = 75479700756.

The previous prime is 75479700697. The next prime is 75479700761. The reversal of 75479700757 is 75700797457.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75171382276 + 308318481 = 274174^2 + 17559^2 .

It is a cyclic number.

It is not a de Polignac number, because 75479700757 - 2²³ = 75471312149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75479700157) 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, 37739850378 + 37739850379.

It is an arithmetic number, because the mean of its divisors is an integer number (37739850379).

Almost surely, 2^75479700757 is an apocalyptic number.

It is an amenable number.

75479700757 is a deficient number, since it is larger than the sum of its proper divisors (1).

75479700757 is an equidigital number, since it uses as much as digits as its factorization.

75479700757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15126300, while the sum is 58.

The spelling of 75479700757 in words is "seventy-five billion, four hundred seventy-nine million, seven hundred thousand, seven hundred fifty-seven".