78674803 has 2 divisors, whose sum is σ = 78674804. Its totient is φ = 78674802.

The previous prime is 78674779. The next prime is 78674809. The reversal of 78674803 is 30847687.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78674803 - 2⁹ = 78674291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78674803.

It is not a weakly prime, because it can be changed into another prime (78674809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39337401 + 39337402.

It is an arithmetic number, because the mean of its divisors is an integer number (39337402).

Almost surely, 2^78674803 is an apocalyptic number.

78674803 is a deficient number, since it is larger than the sum of its proper divisors (1).

78674803 is an equidigital number, since it uses as much as digits as its factorization.

78674803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 78674803 is about 8869.8817917715. The cubic root of 78674803 is about 428.4944699327.

The spelling of 78674803 in words is "seventy-eight million, six hundred seventy-four thousand, eight hundred three".