78536026305343 has 4 divisors (see below), whose sum is σ = 78861901933408. Its totient is φ = 78210150677280.

The previous prime is 78536026305287. The next prime is 78536026305353. The reversal of 78536026305343 is 34350362063587.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78536026305343 - 2¹³ = 78536026297151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78536026305353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162937813671 + ... + 162937814152.

It is an arithmetic number, because the mean of its divisors is an integer number (19715475483352).

Almost surely, 2^{78536026305343} is an apocalyptic number.

78536026305343 is a deficient number, since it is larger than the sum of its proper divisors (325875628065).

78536026305343 is a wasteful number, since it uses less digits than its factorization.

78536026305343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325875628064.

The product of its (nonzero) digits is 32659200, while the sum is 55.

The spelling of 78536026305343 in words is "seventy-eight trillion, five hundred thirty-six billion, twenty-six million, three hundred five thousand, three hundred forty-three".