78970303 has 2 divisors, whose sum is σ = 78970304. Its totient is φ = 78970302.

The previous prime is 78970291. The next prime is 78970313. The reversal of 78970303 is 30307987.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78970303 - 2⁵ = 78970271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78970313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39485151 + 39485152.

It is an arithmetic number, because the mean of its divisors is an integer number (39485152).

Almost surely, 2^78970303 is an apocalyptic number.

78970303 is a deficient number, since it is larger than the sum of its proper divisors (1).

78970303 is an equidigital number, since it uses as much as digits as its factorization.

78970303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 78970303 is about 8886.5236735182. The cubic root of 78970303 is about 429.0302701042.

The spelling of 78970303 in words is "seventy-eight million, nine hundred seventy thousand, three hundred three".