789779863242 has 160 divisors (see below), whose sum is σ = 1843023181824. Its totient is φ = 253556406000.

The previous prime is 789779863241. The next prime is 789779863277. The reversal of 789779863242 is 242368977987.

789779863242 is a `hidden beast` number, since 78 + 97 + 79 + 86 + 324 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (789779863241) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 277017117 + ... + 277019967.

Almost surely, 2^789779863242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 789779863242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (921511590912).

789779863242 is an abundant number, since it is smaller than the sum of its proper divisors (1053243318582).

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

789779863242 is an equidigital number, since it uses as much as digits as its factorization.

789779863242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138 (or 3114 counting only the distinct ones).

The product of its digits is 512096256, while the sum is 72.

The spelling of 789779863242 in words is "seven hundred eighty-nine billion, seven hundred seventy-nine million, eight hundred sixty-three thousand, two hundred forty-two".