75757013257 has 2 divisors, whose sum is σ = 75757013258. Its totient is φ = 75757013256.

The previous prime is 75757013243. The next prime is 75757013261. The reversal of 75757013257 is 75231075757.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70939126336 + 4817886921 = 266344^2 + 69411^2 .

It is a cyclic number.

It is not a de Polignac number, because 75757013257 - 2¹⁵ = 75756980489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75757013257.

It is not a weakly prime, because it can be changed into another prime (75757014257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37878506628 + 37878506629.

It is an arithmetic number, because the mean of its divisors is an integer number (37878506629).

Almost surely, 2^75757013257 is an apocalyptic number.

It is an amenable number.

75757013257 is a deficient number, since it is larger than the sum of its proper divisors (1).

75757013257 is an equidigital number, since it uses as much as digits as its factorization.

75757013257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800750, while the sum is 49.

The spelling of 75757013257 in words is "seventy-five billion, seven hundred fifty-seven million, thirteen thousand, two hundred fifty-seven".