780879480 has 128 divisors (see below), whose sum is σ = 2491084800. Its totient is φ = 195264000.

The previous prime is 780879469. The next prime is 780879493. The reversal of 780879480 is 84978087.

780879480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228585 + ... + 231975.

It is an arithmetic number, because the mean of its divisors is an integer number (19461600).

Almost surely, 2^780879480 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 780879480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1245542400).

780879480 is an abundant number, since it is smaller than the sum of its proper divisors (1710205320).

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

780879480 is a wasteful number, since it uses less digits than its factorization.

780879480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525 (or 3521 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 51.

The square root of 780879480 is about 27944.2208694392. The cubic root of 780879480 is about 920.8622508521.

The spelling of 780879480 in words is "seven hundred eighty million, eight hundred seventy-nine thousand, four hundred eighty".