78698343 has 4 divisors (see below), whose sum is σ = 104931128. Its totient is φ = 52465560.

The previous prime is 78698281. The next prime is 78698353. The reversal of 78698343 is 34389687.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 78698343 - 2⁹ = 78697831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78698292 and 78698301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78698353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13116388 + ... + 13116393.

It is an arithmetic number, because the mean of its divisors is an integer number (26232782).

Almost surely, 2^78698343 is an apocalyptic number.

78698343 is a deficient number, since it is larger than the sum of its proper divisors (26232785).

78698343 is a wasteful number, since it uses less digits than its factorization.

78698343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26232784.

The product of its digits is 870912, while the sum is 48.

The square root of 78698343 is about 8871.2086549692. The cubic root of 78698343 is about 428.5372017587.

The spelling of 78698343 in words is "seventy-eight million, six hundred ninety-eight thousand, three hundred forty-three".