75006641287 has 2 divisors, whose sum is σ = 75006641288. Its totient is φ = 75006641286.

The previous prime is 75006641251. The next prime is 75006641299. The reversal of 75006641287 is 78214660057.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75006641287 - 2⁷ = 75006641159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75006641687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37503320643 + 37503320644.

It is an arithmetic number, because the mean of its divisors is an integer number (37503320644).

Almost surely, 2^75006641287 is an apocalyptic number.

75006641287 is a deficient number, since it is larger than the sum of its proper divisors (1).

75006641287 is an equidigital number, since it uses as much as digits as its factorization.

75006641287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 75006641287 in words is "seventy-five billion, six million, six hundred forty-one thousand, two hundred eighty-seven".