780652080 has 240 divisors, whose sum is σ = 2928875040. Its totient is φ = 192098304.

The previous prime is 780652079. The next prime is 780652091. The reversal of 780652080 is 80256087.

780652080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 251176 + ... + 254264.

It is an arithmetic number, because the mean of its divisors is an integer number (12203646).

Almost surely, 2^780652080 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 780652080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1464437520).

780652080 is an abundant number, since it is smaller than the sum of its proper divisors (2148222960).

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

780652080 is a wasteful number, since it uses less digits than its factorization.

780652080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130 (or 3112 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 780652080 is about 27940.1517533459. The cubic root of 780652080 is about 920.7728540411.

The spelling of 780652080 in words is "seven hundred eighty million, six hundred fifty-two thousand, eighty".