78204518742706 has 16 divisors (see below), whose sum is σ = 118721517826464. Its totient is φ = 38630690618464.

The previous prime is 78204518742689. The next prime is 78204518742751. The reversal of 78204518742706 is 60724781540287.

78204518742706 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×78204518742706² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11500761 + ... + 16990483.

It is an arithmetic number, because the mean of its divisors is an integer number (7420094864154).

Almost surely, 2^{78204518742706} is an apocalyptic number.

78204518742706 is a deficient number, since it is larger than the sum of its proper divisors (40516999083758).

78204518742706 is a wasteful number, since it uses less digits than its factorization.

78204518742706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575625.

The product of its (nonzero) digits is 42147840, while the sum is 61.

The spelling of 78204518742706 in words is "seventy-eight trillion, two hundred four billion, five hundred eighteen million, seven hundred forty-two thousand, seven hundred six".