78797345 has 8 divisors (see below), whose sum is σ = 103152960. Its totient is φ = 57307120.

The previous prime is 78797339. The next prime is 78797357. The reversal of 78797345 is 54379787.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78797345 - 2⁶ = 78797281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78797293 and 78797302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716285 + ... + 716394.

It is an arithmetic number, because the mean of its divisors is an integer number (12894120).

Almost surely, 2^78797345 is an apocalyptic number.

It is an amenable number.

78797345 is a deficient number, since it is larger than the sum of its proper divisors (24355615).

78797345 is a wasteful number, since it uses less digits than its factorization.

78797345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432695.

The product of its digits is 1481760, while the sum is 50.

The square root of 78797345 is about 8876.7868623731. The cubic root of 78797345 is about 428.7168254555.

The spelling of 78797345 in words is "seventy-eight million, seven hundred ninety-seven thousand, three hundred forty-five".