75343036987 has 2 divisors, whose sum is σ = 75343036988. Its totient is φ = 75343036986.

The previous prime is 75343036969. The next prime is 75343037017. The reversal of 75343036987 is 78963034357.

It is a weak prime.

It is an emirp because it is prime and its reverse (78963034357) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75343036987 - 2³¹ = 73195553339 is a prime.

It is not a weakly prime, because it can be changed into another prime (75343036687) 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, 37671518493 + 37671518494.

It is an arithmetic number, because the mean of its divisors is an integer number (37671518494).

Almost surely, 2^75343036987 is an apocalyptic number.

75343036987 is a deficient number, since it is larger than the sum of its proper divisors (1).

75343036987 is an equidigital number, since it uses as much as digits as its factorization.

75343036987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11430720, while the sum is 55.

The spelling of 75343036987 in words is "seventy-five billion, three hundred forty-three million, thirty-six thousand, nine hundred eighty-seven".