78586068587 has 48 divisors (see below), whose sum is σ = 91066187520. Its totient is φ = 67588560000.

The previous prime is 78586068581. The next prime is 78586068647.

78586068587 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 78586068587 - 2⁶ = 78586068523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78586068581) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 54159212 + ... + 54160662.

It is an arithmetic number, because the mean of its divisors is an integer number (1897212240).

Almost surely, 2^78586068587 is an apocalyptic number.

78586068587 is a deficient number, since it is larger than the sum of its proper divisors (12480118933).

78586068587 is a wasteful number, since it uses less digits than its factorization.

78586068587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764 (or 1751 counting only the distinct ones).

The product of its (nonzero) digits is 180633600, while the sum is 68.

The spelling of 78586068587 in words is "seventy-eight billion, five hundred eighty-six million, sixty-eight thousand, five hundred eighty-seven".