789028740864 has 432 divisors, whose sum is σ = 2896528689600. Its totient is φ = 200918237184.

The previous prime is 789028740859. The next prime is 789028740869. The reversal of 789028740864 is 468047820987.

789028740864 is a `hidden beast` number, since 7 + 8 + 90 + 2 + 87 + 408 + 64 = 666.

It is an interprime number because it is at equal distance from previous prime (789028740859) and next prime (789028740869).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789028740869) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6015372 + ... + 6145140.

Almost surely, 2^789028740864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 789028740864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1448264344800).

789028740864 is an abundant number, since it is smaller than the sum of its proper divisors (2107499948736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

789028740864 is a wasteful number, since it uses less digits than its factorization.

789028740864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129840 (or 129823 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 63.

The spelling of 789028740864 in words is "seven hundred eighty-nine billion, twenty-eight million, seven hundred forty thousand, eight hundred sixty-four".