78758829916 has 24 divisors (see below), whose sum is σ = 157161286800. Its totient is φ = 34211980032.

The previous prime is 78758829889. The next prime is 78758829937. The reversal of 78758829916 is 61992885787.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44545966 + ... + 44547733.

It is an arithmetic number, because the mean of its divisors is an integer number (6548386950).

Almost surely, 2^78758829916 is an apocalyptic number.

It is an amenable number.

78758829916 is a deficient number, since it is larger than the sum of its proper divisors (78402456884).

78758829916 is a wasteful number, since it uses less digits than its factorization.

78758829916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89093733 (or 89093731 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 70.

The spelling of 78758829916 in words is "seventy-eight billion, seven hundred fifty-eight million, eight hundred twenty-nine thousand, nine hundred sixteen".