789488967981 has 16 divisors (see below), whose sum is σ = 1205809184384. Its totient is φ = 450094662144.

The previous prime is 789488967979. The next prime is 789488967983. The reversal of 789488967981 is 189769884987.

It is an interprime number because it is at equal distance from previous prime (789488967979) and next prime (789488967983).

It is not a de Polignac number, because 789488967981 - 2¹ = 789488967979 is a prime.

It is a super-2 number, since 2×789488967981² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 789488967894 and 789488967903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789488967983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43402816 + ... + 43421001.

It is an arithmetic number, because the mean of its divisors is an integer number (75363074024).

Almost surely, 2^789488967981 is an apocalyptic number.

It is an amenable number.

789488967981 is a deficient number, since it is larger than the sum of its proper divisors (416320216403).

789488967981 is a wasteful number, since it uses less digits than its factorization.

789488967981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86824260.

The product of its digits is 3511517184, while the sum is 84.

The spelling of 789488967981 in words is "seven hundred eighty-nine billion, four hundred eighty-eight million, nine hundred sixty-seven thousand, nine hundred eighty-one".