78058345 has 16 divisors (see below), whose sum is σ = 97792848. Its totient is φ = 59754240.

The previous prime is 78058333. The next prime is 78058361. The reversal of 78058345 is 54385087.

It can be written as a sum of positive squares in 8 ways, for example, as 389376 + 77668969 = 624^2 + 8813^2 .

It is not a de Polignac number, because 78058345 - 2¹³ = 78050153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78058298 and 78058307.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7827 + ... + 14743.

It is an arithmetic number, because the mean of its divisors is an integer number (6112053).

Almost surely, 2^78058345 is an apocalyptic number.

It is an amenable number.

78058345 is a deficient number, since it is larger than the sum of its proper divisors (19734503).

78058345 is a wasteful number, since it uses less digits than its factorization.

78058345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7020.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 78058345 is about 8835.0633840398. The cubic root of 78058345 is about 427.3723750671.

The spelling of 78058345 in words is "seventy-eight million, fifty-eight thousand, three hundred forty-five".