789455872869 has 12 divisors (see below), whose sum is σ = 1118168181024. Its totient is φ = 495344860864.

The previous prime is 789455872867. The next prime is 789455872927. The reversal of 789455872869 is 968278554987.

It is not a de Polignac number, because 789455872869 - 2¹ = 789455872867 is a prime.

It is a super-2 number, since 2×789455872869² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 789455872794 and 789455872803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789455872867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 455279337 + ... + 455281070.

It is an arithmetic number, because the mean of its divisors is an integer number (93180681752).

Almost surely, 2^789455872869 is an apocalyptic number.

It is an amenable number.

789455872869 is a deficient number, since it is larger than the sum of its proper divisors (328712308155).

789455872869 is a wasteful number, since it uses less digits than its factorization.

789455872869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910560444 (or 910560427 counting only the distinct ones).

The product of its digits is 2438553600, while the sum is 78.

The spelling of 789455872869 in words is "seven hundred eighty-nine billion, four hundred fifty-five million, eight hundred seventy-two thousand, eight hundred sixty-nine".