78535743511468 has 6 divisors (see below), whose sum is σ = 137437551145076. Its totient is φ = 39267871755732.

The previous prime is 78535743511451. The next prime is 78535743511483. The reversal of 78535743511468 is 86411534753587.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9816967938930 + ... + 9816967938937.

Almost surely, 2^{78535743511468} is an apocalyptic number.

It is an amenable number.

78535743511468 is a deficient number, since it is larger than the sum of its proper divisors (58901807633608).

78535743511468 is a wasteful number, since it uses less digits than its factorization.

78535743511468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19633935877871 (or 19633935877869 counting only the distinct ones).

The product of its digits is 338688000, while the sum is 67.

The spelling of 78535743511468 in words is "seventy-eight trillion, five hundred thirty-five billion, seven hundred forty-three million, five hundred eleven thousand, four hundred sixty-eight".