78800241378775 has 12 divisors (see below), whose sum is σ = 111671199211312. Its totient is φ = 54034451231040.

The previous prime is 78800241378731. The next prime is 78800241378811. The reversal of 78800241378775 is 57787314200887.

It is a de Polignac number, because none of the positive numbers 2^k-78800241378775 is a prime.

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78800241378775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225143546622 + ... + 225143546971.

Almost surely, 2^{78800241378775} is an apocalyptic number.

78800241378775 is a deficient number, since it is larger than the sum of its proper divisors (32870957832537).

78800241378775 is a wasteful number, since it uses less digits than its factorization.

78800241378775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450287093610 (or 450287093605 counting only the distinct ones).

The product of its (nonzero) digits is 147517440, while the sum is 67.

The spelling of 78800241378775 in words is "seventy-eight trillion, eight hundred billion, two hundred forty-one million, three hundred seventy-eight thousand, seven hundred seventy-five".