780478932992 has 192 divisors, whose sum is σ = 1752517166400. Its totient is φ = 344374640640.

The previous prime is 780478932977. The next prime is 780478932997. The reversal of 780478932992 is 299239874087.

It is not an unprimeable number, because it can be changed into a prime (780478932997) 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, 494286059 + ... + 494287637.

It is an arithmetic number, because the mean of its divisors is an integer number (9127693575).

Almost surely, 2^780478932992 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 780478932992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (876258583200).

780478932992 is an abundant number, since it is smaller than the sum of its proper divisors (972038233408).

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

780478932992 is a wasteful number, since it uses less digits than its factorization.

780478932992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242 (or 2222 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 68.

The spelling of 780478932992 in words is "seven hundred eighty billion, four hundred seventy-eight million, nine hundred thirty-two thousand, nine hundred ninety-two".