78513822706 has 16 divisors (see below), whose sum is σ = 129186989568. Its totient is φ = 35490927600.

The previous prime is 78513822701. The next prime is 78513822727. The reversal of 78513822706 is 60722831587.

It is a self number, because there is not a number n which added to its sum of digits gives 78513822706.

It is not an unprimeable number, because it can be changed into a prime (78513822701) 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, 9854610 + ... + 9862573.

It is an arithmetic number, because the mean of its divisors is an integer number (8074186848).

Almost surely, 2^78513822706 is an apocalyptic number.

78513822706 is a deficient number, since it is larger than the sum of its proper divisors (50673166862).

78513822706 is a wasteful number, since it uses less digits than its factorization.

78513822706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19717377.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 78513822706 in words is "seventy-eight billion, five hundred thirteen million, eight hundred twenty-two thousand, seven hundred six".