78807152443 has 4 divisors (see below), whose sum is σ = 80937075520. Its totient is φ = 76677229368.

The previous prime is 78807152441. The next prime is 78807152449. The reversal of 78807152443 is 34425170887.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34425170887 = 4691 ⋅7338557.

It is a cyclic number.

It is not a de Polignac number, because 78807152443 - 2¹ = 78807152441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78807152441) 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, 1064961483 + ... + 1064961556.

It is an arithmetic number, because the mean of its divisors is an integer number (20234268880).

Almost surely, 2^78807152443 is an apocalyptic number.

78807152443 is a deficient number, since it is larger than the sum of its proper divisors (2129923077).

78807152443 is a wasteful number, since it uses less digits than its factorization.

78807152443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129923076.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 78807152443 in words is "seventy-eight billion, eight hundred seven million, one hundred fifty-two thousand, four hundred forty-three".