789228871 has 4 divisors (see below), whose sum is σ = 789285112. Its totient is φ = 789172632.

The previous prime is 789228863. The next prime is 789228887. The reversal of 789228871 is 178822987.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 178822987 = 7 ⋅25546141.

It is a cyclic number.

It is not a de Polignac number, because 789228871 - 2³ = 789228863 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 (789228571) 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, 12220 + ... + 41566.

It is an arithmetic number, because the mean of its divisors is an integer number (197321278).

Almost surely, 2^789228871 is an apocalyptic number.

789228871 is a deficient number, since it is larger than the sum of its proper divisors (56241).

789228871 is a wasteful number, since it uses less digits than its factorization.

789228871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56240.

The product of its digits is 903168, while the sum is 52.

The square root of 789228871 is about 28093.2175266558. The cubic root of 789228871 is about 924.1326648561.

It can be divided in two parts, 7892 and 28871, that added together give a palindrome (36763).

The spelling of 789228871 in words is "seven hundred eighty-nine million, two hundred twenty-eight thousand, eight hundred seventy-one".