78330578005 has 8 divisors (see below), whose sum is σ = 94469040000. Its totient is φ = 62349564816.

The previous prime is 78330577987. The next prime is 78330578059. The reversal of 78330578005 is 50087503387.

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

It is a cyclic number.

It is not a de Polignac number, because 78330578005 - 2¹³ = 78330569813 is a prime.

It is a super-2 number, since 2×78330578005² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39361105 + ... + 39363094.

It is an arithmetic number, because the mean of its divisors is an integer number (11808630000).

Almost surely, 2^78330578005 is an apocalyptic number.

It is an amenable number.

78330578005 is a deficient number, since it is larger than the sum of its proper divisors (16138461995).

78330578005 is a wasteful number, since it uses less digits than its factorization.

78330578005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78724403.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 78330578005 in words is "seventy-eight billion, three hundred thirty million, five hundred seventy-eight thousand, five".