78533188750028 has 12 divisors (see below), whose sum is σ = 137433223318272. Its totient is φ = 39266553516240.

The previous prime is 78533188750019. The next prime is 78533188750033. The reversal of 78533188750028 is 82005788133587.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5664875 + ... + 13753442.

It is an arithmetic number, because the mean of its divisors is an integer number (11452768609856).

Almost surely, 2^{78533188750028} is an apocalyptic number.

It is an amenable number.

78533188750028 is a deficient number, since it is larger than the sum of its proper divisors (58900034568244).

78533188750028 is a wasteful number, since it uses less digits than its factorization.

78533188750028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20429392 (or 20429390 counting only the distinct ones).

The product of its (nonzero) digits is 90316800, while the sum is 65.

The spelling of 78533188750028 in words is "seventy-eight trillion, five hundred thirty-three billion, one hundred eighty-eight million, seven hundred fifty thousand, twenty-eight".