75116887 has 2 divisors, whose sum is σ = 75116888. Its totient is φ = 75116886.

The previous prime is 75116869. The next prime is 75116911. The reversal of 75116887 is 78861157.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75116887 - 2⁷ = 75116759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75110887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37558443 + 37558444.

It is an arithmetic number, because the mean of its divisors is an integer number (37558444).

Almost surely, 2^75116887 is an apocalyptic number.

75116887 is a deficient number, since it is larger than the sum of its proper divisors (1).

75116887 is an equidigital number, since it uses as much as digits as its factorization.

75116887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 43.

The square root of 75116887 is about 8666.9998846198. Note that the first 3 decimals coincide. The cubic root of 75116887 is about 421.9352996350.

The spelling of 75116887 in words is "seventy-five million, one hundred sixteen thousand, eight hundred eighty-seven".