78875033 has 2 divisors, whose sum is σ = 78875034. Its totient is φ = 78875032.

The previous prime is 78875011. The next prime is 78875039. The reversal of 78875033 is 33057887.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77228944 + 1646089 = 8788^2 + 1283^2 .

It is an emirp because it is prime and its reverse (33057887) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78875033 - 2⁸ = 78874777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (78875039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39437516 + 39437517.

It is an arithmetic number, because the mean of its divisors is an integer number (39437517).

Almost surely, 2^78875033 is an apocalyptic number.

It is an amenable number.

78875033 is a deficient number, since it is larger than the sum of its proper divisors (1).

78875033 is an equidigital number, since it uses as much as digits as its factorization.

78875033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 78875033 is about 8881.1616920311. The cubic root of 78875033 is about 428.8576728956.

The spelling of 78875033 in words is "seventy-eight million, eight hundred seventy-five thousand, thirty-three".