2800780790 has 8 divisors (see below), whose sum is σ = 5041405440. Its totient is φ = 1120312312.

The previous prime is 2800780789. The next prime is 2800780793. The reversal of 2800780790 is 970870082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2800780793) by changing a digit.

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, 140039030 + ... + 140039049.

It is an arithmetic number, because the mean of its divisors is an integer number (630175680).

Almost surely, 2^2800780790 is an apocalyptic number.

2800780790 is a deficient number, since it is larger than the sum of its proper divisors (2240624650).

2800780790 is a wasteful number, since it uses less digits than its factorization.

2800780790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280078086.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 2800780790 is about 52922.4034790560. The cubic root of 2800780790 is about 1409.5907451986.

The spelling of 2800780790 in words is "two billion, eight hundred million, seven hundred eighty thousand, seven hundred ninety".