780533376 has 512 divisors, whose sum is σ = 2820096000. Its totient is φ = 185794560.

The previous prime is 780533333. The next prime is 780533399. The reversal of 780533376 is 673335087.

780533376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25178481 + ... + 25178511.

It is an arithmetic number, because the mean of its divisors is an integer number (5508000).

Almost surely, 2^780533376 is an apocalyptic number.

780533376 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 780533376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1410048000).

780533376 is an abundant number, since it is smaller than the sum of its proper divisors (2039562624).

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

780533376 is a wasteful number, since it uses less digits than its factorization.

780533376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 42.

The square root of 780533376 is about 27938.0274178404. The cubic root of 780533376 is about 920.7261815374.

The spelling of 780533376 in words is "seven hundred eighty million, five hundred thirty-three thousand, three hundred seventy-six".