78969803 has 24 divisors (see below), whose sum is σ = 92184960. Its totient is φ = 67478400.

The previous prime is 78969799. The next prime is 78969809. The reversal of 78969803 is 30896987.

It is not a de Polignac number, because 78969803 - 2² = 78969799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78969809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138503 + ... + 139071.

It is an arithmetic number, because the mean of its divisors is an integer number (3841040).

Almost surely, 2^78969803 is an apocalyptic number.

78969803 is a deficient number, since it is larger than the sum of its proper divisors (13215157).

78969803 is a wasteful number, since it uses less digits than its factorization.

78969803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 78969803 is about 8886.4955409880. The cubic root of 78969803 is about 429.0293646347.

The spelling of 78969803 in words is "seventy-eight million, nine hundred sixty-nine thousand, eight hundred three".