78008078005 has 32 divisors (see below), whose sum is σ = 110322269568. Its totient is φ = 52203705600.

The previous prime is 78008077997. The next prime is 78008078017. The reversal of 78008078005 is 50087080087.

It is not a de Polignac number, because 78008078005 - 2³ = 78008077997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54570 + ... + 398740.

It is an arithmetic number, because the mean of its divisors is an integer number (3447570924).

Almost surely, 2^78008078005 is an apocalyptic number.

It is an amenable number.

78008078005 is a deficient number, since it is larger than the sum of its proper divisors (32314191563).

78008078005 is a wasteful number, since it uses less digits than its factorization.

78008078005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344517.

The product of its (nonzero) digits is 125440, while the sum is 43.

The spelling of 78008078005 in words is "seventy-eight billion, eight million, seventy-eight thousand, five".