78005607 has 8 divisors (see below), whose sum is σ = 104670576. Its totient is φ = 51672192.

The previous prime is 78005597. The next prime is 78005647. The reversal of 78005607 is 70650087.

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

It is not a de Polignac number, because 78005607 - 2⁴ = 78005591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78005647) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 82338 + ... + 83279.

It is an arithmetic number, because the mean of its divisors is an integer number (13083822).

Almost surely, 2^78005607 is an apocalyptic number.

78005607 is a deficient number, since it is larger than the sum of its proper divisors (26664969).

78005607 is a wasteful number, since it uses less digits than its factorization.

78005607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165777.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 78005607 is about 8832.0782944899. The cubic root of 78005607 is about 427.2761058720.

The spelling of 78005607 in words is "seventy-eight million, five thousand, six hundred seven".