78242532476559 has 16 divisors (see below), whose sum is σ = 116883193480320. Its totient is φ = 46138102688160.

The previous prime is 78242532476543. The next prime is 78242532476567. The reversal of 78242532476559 is 95567423524287.

It is not a de Polignac number, because 78242532476559 - 2⁴ = 78242532476543 is a prime.

It is a super-2 number, since 2×78242532476559² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78242532476493 and 78242532476502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78242532476509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32040347869 + ... + 32040350310.

It is an arithmetic number, because the mean of its divisors is an integer number (7305199592520).

Almost surely, 2^{78242532476559} is an apocalyptic number.

78242532476559 is a deficient number, since it is larger than the sum of its proper divisors (38640661003761).

78242532476559 is a wasteful number, since it uses less digits than its factorization.

78242532476559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64080698230.

The product of its digits is 1016064000, while the sum is 69.

The spelling of 78242532476559 in words is "seventy-eight trillion, two hundred forty-two billion, five hundred thirty-two million, four hundred seventy-six thousand, five hundred fifty-nine".