786930442280 has 64 divisors (see below), whose sum is σ = 1812656482560. Its totient is φ = 307301476608.

The previous prime is 786930442273. The next prime is 786930442307. The reversal of 786930442280 is 82244039687.

It is a Cunningham number, because it is equal to 887091²-1.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3437474 + ... + 3659246.

It is an arithmetic number, because the mean of its divisors is an integer number (28322757540).

Almost surely, 2^786930442280 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 786930442280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (906328241280).

786930442280 is an abundant number, since it is smaller than the sum of its proper divisors (1025726040280).

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

786930442280 is a wasteful number, since it uses less digits than its factorization.

786930442280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223890 (or 223886 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 786930442280 in words is "seven hundred eighty-six billion, nine hundred thirty million, four hundred forty-two thousand, two hundred eighty".