78625532743 has 4 divisors (see below), whose sum is σ = 81336758040. Its totient is φ = 75914307448.

The previous prime is 78625532731. The next prime is 78625532747. The reversal of 78625532743 is 34723552687.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34723552687 = 15013 ⋅2312899.

It is a cyclic number.

It is not a de Polignac number, because 78625532743 - 2⁹ = 78625532231 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 (78625532747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355612605 + ... + 1355612662.

It is an arithmetic number, because the mean of its divisors is an integer number (20334189510).

Almost surely, 2^78625532743 is an apocalyptic number.

78625532743 is a deficient number, since it is larger than the sum of its proper divisors (2711225297).

78625532743 is a wasteful number, since it uses less digits than its factorization.

78625532743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711225296.

The product of its digits is 8467200, while the sum is 52.

The spelling of 78625532743 in words is "seventy-eight billion, six hundred twenty-five million, five hundred thirty-two thousand, seven hundred forty-three".