78208960845 has 8 divisors (see below), whose sum is σ = 125134337376. Its totient is φ = 41711445776.

The previous prime is 78208960829. The next prime is 78208960861. The reversal of 78208960845 is 54806980287.

It is an interprime number because it is at equal distance from previous prime (78208960829) and next prime (78208960861).

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 78208960845 - 2⁴ = 78208960829 is a prime.

It is a super-2 number, since 2×78208960845² (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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2606965347 + ... + 2606965376.

It is an arithmetic number, because the mean of its divisors is an integer number (15641792172).

Almost surely, 2^78208960845 is an apocalyptic number.

It is an amenable number.

78208960845 is a deficient number, since it is larger than the sum of its proper divisors (46925376531).

78208960845 is a wasteful number, since it uses less digits than its factorization.

78208960845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5213930731.

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 78208960845 in words is "seventy-eight billion, two hundred eight million, nine hundred sixty thousand, eight hundred forty-five".