789641890079 has 8 divisors (see below), whose sum is σ = 902459017248. Its totient is φ = 676827548640.

The previous prime is 789641890069. The next prime is 789641890109. The reversal of 789641890079 is 970098146987.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-789641890079 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 (789641890049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48872 + ... + 1257645.

It is an arithmetic number, because the mean of its divisors is an integer number (112807377156).

Almost surely, 2^789641890079 is an apocalyptic number.

789641890079 is a deficient number, since it is larger than the sum of its proper divisors (112817127169).

789641890079 is a wasteful number, since it uses less digits than its factorization.

789641890079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392865.

The product of its (nonzero) digits is 54867456, while the sum is 68.

The spelling of 789641890079 in words is "seven hundred eighty-nine billion, six hundred forty-one million, eight hundred ninety thousand, seventy-nine".