75699359917 has 2 divisors, whose sum is σ = 75699359918. Its totient is φ = 75699359916.

The previous prime is 75699359873. The next prime is 75699359951. The reversal of 75699359917 is 71995399657.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73999776841 + 1699583076 = 272029^2 + 41226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75699359917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75699359117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37849679958 + 37849679959.

It is an arithmetic number, because the mean of its divisors is an integer number (37849679959).

Almost surely, 2^75699359917 is an apocalyptic number.

It is an amenable number.

75699359917 is a deficient number, since it is larger than the sum of its proper divisors (1).

75699359917 is an equidigital number, since it uses as much as digits as its factorization.

75699359917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144670050, while the sum is 70.

The spelling of 75699359917 in words is "seventy-five billion, six hundred ninety-nine million, three hundred fifty-nine thousand, nine hundred seventeen".