78934732808 has 32 divisors (see below), whose sum is σ = 149611821120. Its totient is φ = 39039000000.

The previous prime is 78934732759. The next prime is 78934732853. The reversal of 78934732808 is 80823743987.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802733 + ... + 895683.

It is an arithmetic number, because the mean of its divisors is an integer number (4675369410).

Almost surely, 2^78934732808 is an apocalyptic number.

It is an amenable number.

78934732808 is a deficient number, since it is larger than the sum of its proper divisors (70677088312).

78934732808 is a wasteful number, since it uses less digits than its factorization.

78934732808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94109 (or 94105 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 59.

The spelling of 78934732808 in words is "seventy-eight billion, nine hundred thirty-four million, seven hundred thirty-two thousand, eight hundred eight".