78535462380188 has 12 divisors (see below), whose sum is σ = 149931337271352. Its totient is φ = 35697937445520.

The previous prime is 78535462380119. The next prime is 78535462380259. The reversal of 78535462380188 is 88108326453587.

It is a congruent number.

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, 892448436095 + ... + 892448436182.

It is an arithmetic number, because the mean of its divisors is an integer number (12494278105946).

Almost surely, 2^{78535462380188} is an apocalyptic number.

It is an amenable number.

78535462380188 is a deficient number, since it is larger than the sum of its proper divisors (71395874891164).

78535462380188 is a wasteful number, since it uses less digits than its factorization.

78535462380188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784896872292 (or 1784896872290 counting only the distinct ones).

The product of its (nonzero) digits is 309657600, while the sum is 68.

The spelling of 78535462380188 in words is "seventy-eight trillion, five hundred thirty-five billion, four hundred sixty-two million, three hundred eighty thousand, one hundred eighty-eight".