78104833 has 2 divisors, whose sum is σ = 78104834. Its totient is φ = 78104832.

The previous prime is 78104821. The next prime is 78104857. The reversal of 78104833 is 33840187.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78021889 + 82944 = 8833^2 + 288^2 .

It is a cyclic number.

It is not a de Polignac number, because 78104833 - 2¹⁷ = 77973761 is a prime.

It is a super-2 number, since 2×78104833² = 12200729875915778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (78104863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39052416 + 39052417.

It is an arithmetic number, because the mean of its divisors is an integer number (39052417).

Almost surely, 2^78104833 is an apocalyptic number.

It is an amenable number.

78104833 is a deficient number, since it is larger than the sum of its proper divisors (1).

78104833 is an equidigital number, since it uses as much as digits as its factorization.

78104833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 78104833 is about 8837.6938734039. The cubic root of 78104833 is about 427.4571994130.

The spelling of 78104833 in words is "seventy-eight million, one hundred four thousand, eight hundred thirty-three".