75712825787 has 2 divisors, whose sum is σ = 75712825788. Its totient is φ = 75712825786.

The previous prime is 75712825759. The next prime is 75712825807. The reversal of 75712825787 is 78752821757.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75712825787 - 2¹⁰ = 75712824763 is a prime.

It is a super-2 number, since 2×75712825787² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (75712825687) 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, 37856412893 + 37856412894.

It is an arithmetic number, because the mean of its divisors is an integer number (37856412894).

Almost surely, 2^75712825787 is an apocalyptic number.

75712825787 is a deficient number, since it is larger than the sum of its proper divisors (1).

75712825787 is an equidigital number, since it uses as much as digits as its factorization.

75712825787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15366400, while the sum is 59.

The spelling of 75712825787 in words is "seventy-five billion, seven hundred twelve million, eight hundred twenty-five thousand, seven hundred eighty-seven".