78008360585 has 8 divisors (see below), whose sum is σ = 93611601096. Its totient is φ = 62405642880.

The previous prime is 78008360569. The next prime is 78008360587. The reversal of 78008360585 is 58506380087.

It can be written as a sum of positive squares in 4 ways, for example, as 24349417849 + 53658942736 = 156043^2 + 231644^2 .

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

It is not a de Polignac number, because 78008360585 - 2⁴ = 78008360569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (78008360587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376517 + ... + 545693.

It is an arithmetic number, because the mean of its divisors is an integer number (11701450137).

Almost surely, 2^78008360585 is an apocalyptic number.

It is an amenable number.

78008360585 is a deficient number, since it is larger than the sum of its proper divisors (15603240511).

78008360585 is a wasteful number, since it uses less digits than its factorization.

78008360585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261403.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 78008360585 in words is "seventy-eight billion, eight million, three hundred sixty thousand, five hundred eighty-five".