75980541257 has 2 divisors, whose sum is σ = 75980541258. Its totient is φ = 75980541256.

The previous prime is 75980541211. The next prime is 75980541269. The reversal of 75980541257 is 75214508957.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47182790656 + 28797750601 = 217216^2 + 169699^2 .

It is a cyclic number.

It is not a de Polignac number, because 75980541257 - 2¹⁶ = 75980475721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75980541199 and 75980541208.

It is not a weakly prime, because it can be changed into another prime (75980541277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37990270628 + 37990270629.

It is an arithmetic number, because the mean of its divisors is an integer number (37990270629).

Almost surely, 2^75980541257 is an apocalyptic number.

It is an amenable number.

75980541257 is a deficient number, since it is larger than the sum of its proper divisors (1).

75980541257 is an equidigital number, since it uses as much as digits as its factorization.

75980541257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528000, while the sum is 53.

The spelling of 75980541257 in words is "seventy-five billion, nine hundred eighty million, five hundred forty-one thousand, two hundred fifty-seven".