75271166687 has 2 divisors, whose sum is σ = 75271166688. Its totient is φ = 75271166686.

The previous prime is 75271166671. The next prime is 75271166701. The reversal of 75271166687 is 78666117257.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75271166687 - 2⁴ = 75271166671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75271166287) 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, 37635583343 + 37635583344.

It is an arithmetic number, because the mean of its divisors is an integer number (37635583344).

Almost surely, 2^75271166687 is an apocalyptic number.

75271166687 is a deficient number, since it is larger than the sum of its proper divisors (1).

75271166687 is an equidigital number, since it uses as much as digits as its factorization.

75271166687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5927040, while the sum is 56.

The spelling of 75271166687 in words is "seventy-five billion, two hundred seventy-one million, one hundred sixty-six thousand, six hundred eighty-seven".