780060828 has 12 divisors (see below), whose sum is σ = 1820141960. Its totient is φ = 260020272.

The previous prime is 780060803. The next prime is 780060851. The reversal of 780060828 is 828060087.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32502523 + ... + 32502546.

Almost surely, 2^780060828 is an apocalyptic number.

It is an amenable number.

780060828 is an abundant number, since it is smaller than the sum of its proper divisors (1040081132).

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

780060828 is a wasteful number, since it uses less digits than its factorization.

780060828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65005076 (or 65005074 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 780060828 is about 27929.5690621964. The cubic root of 780060828 is about 920.5403363356.

The spelling of 780060828 in words is "seven hundred eighty million, sixty thousand, eight hundred twenty-eight".