78942303 has 32 divisors (see below), whose sum is σ = 128620800. Its totient is φ = 47455200.

The previous prime is 78942301. The next prime is 78942319. The reversal of 78942303 is 30324987.

It is not a de Polignac number, because 78942303 - 2¹ = 78942301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78942301) 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 in 31 ways as a sum of consecutive naturals, for example, 37893 + ... + 39921.

It is an arithmetic number, because the mean of its divisors is an integer number (4019400).

Almost surely, 2^78942303 is an apocalyptic number.

78942303 is a deficient number, since it is larger than the sum of its proper divisors (49678497).

78942303 is a wasteful number, since it uses less digits than its factorization.

78942303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180 (or 2174 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 78942303 is about 8884.9481146487. The cubic root of 78942303 is about 428.9795579286.

The spelling of 78942303 in words is "seventy-eight million, nine hundred forty-two thousand, three hundred three".