789454872365 has 4 divisors (see below), whose sum is σ = 947345846844. Its totient is φ = 631563897888.

The previous prime is 789454872337. The next prime is 789454872377. The reversal of 789454872365 is 563278454987.

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

It can be written as a sum of positive squares in 2 ways, for example, as 115837441801 + 673617430564 = 340349^2 + 820742^2 .

It is a cyclic number.

It is not a de Polignac number, because 789454872365 - 2¹⁸ = 789454610221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 789454872295 and 789454872304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78945487232 + ... + 78945487241.

It is an arithmetic number, because the mean of its divisors is an integer number (236836461711).

Almost surely, 2^789454872365 is an apocalyptic number.

It is an amenable number.

789454872365 is a deficient number, since it is larger than the sum of its proper divisors (157890974479).

789454872365 is a wasteful number, since it uses less digits than its factorization.

789454872365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157890974478.

The product of its digits is 406425600, while the sum is 68.

The spelling of 789454872365 in words is "seven hundred eighty-nine billion, four hundred fifty-four million, eight hundred seventy-two thousand, three hundred sixty-five".