78792657543 has 12 divisors (see below), whose sum is σ = 113845542720. Its totient is φ = 52512780096.

The previous prime is 78792657533. The next prime is 78792657631. The reversal of 78792657543 is 34575629787.

78792657543 is a `hidden beast` number, since 7 + 87 + 9 + 2 + 6 + 5 + 7 + 543 = 666.

It is not a de Polignac number, because 78792657543 - 2⁴ = 78792657527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78792657533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1272946 + ... + 1333407.

It is an arithmetic number, because the mean of its divisors is an integer number (9487128560).

Almost surely, 2^78792657543 is an apocalyptic number.

78792657543 is a deficient number, since it is larger than the sum of its proper divisors (35052885177).

78792657543 is a wasteful number, since it uses less digits than its factorization.

78792657543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609718 (or 2609715 counting only the distinct ones).

The product of its digits is 88905600, while the sum is 63.

The spelling of 78792657543 in words is "seventy-eight billion, seven hundred ninety-two million, six hundred fifty-seven thousand, five hundred forty-three".