7780052828280 has 64 divisors (see below), whose sum is σ = 23340343894560. Its totient is φ = 2074664273408.

The previous prime is 7780052828269. The next prime is 7780052828371. The reversal of 7780052828280 is 828282500877.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7780052828280.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26138374 + ... + 26434346.

Almost surely, 2^{7780052828280} is an apocalyptic number.

It is an amenable number.

7780052828280 is an abundant number, since it is smaller than the sum of its proper divisors (15560291066280).

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

7780052828280 is a wasteful number, since it uses less digits than its factorization.

7780052828280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515040 (or 515036 counting only the distinct ones).

The product of its (nonzero) digits is 8028160, while the sum is 57.

The spelling of 7780052828280 in words is "seven trillion, seven hundred eighty billion, fifty-two million, eight hundred twenty-eight thousand, two hundred eighty".