78946333 has 2 divisors, whose sum is σ = 78946334. Its totient is φ = 78946332.

The previous prime is 78946319. The next prime is 78946379. The reversal of 78946333 is 33364987.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78818884 + 127449 = 8878^2 + 357^2 .

It is a cyclic number.

It is not a de Polignac number, because 78946333 - 2²¹ = 76849181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78946333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78946313) 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, 39473166 + 39473167.

It is an arithmetic number, because the mean of its divisors is an integer number (39473167).

Almost surely, 2^78946333 is an apocalyptic number.

It is an amenable number.

78946333 is a deficient number, since it is larger than the sum of its proper divisors (1).

78946333 is an equidigital number, since it uses as much as digits as its factorization.

78946333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 43.

The square root of 78946333 is about 8885.1748997980. The cubic root of 78946333 is about 428.9868575982.

The spelling of 78946333 in words is "seventy-eight million, nine hundred forty-six thousand, three hundred thirty-three".