2798785930 has 16 divisors (see below), whose sum is σ = 5101585920. Its totient is φ = 1105342992.

The previous prime is 2798785901. The next prime is 2798785943. The reversal of 2798785930 is 395878972.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770594 + ... + 1772173.

It is an arithmetic number, because the mean of its divisors is an integer number (318849120).

Almost surely, 2^2798785930 is an apocalyptic number.

2798785930 is a deficient number, since it is larger than the sum of its proper divisors (2302799990).

2798785930 is a wasteful number, since it uses less digits than its factorization.

2798785930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542853.

The product of its (nonzero) digits is 7620480, while the sum is 58.

The square root of 2798785930 is about 52903.5530942866. The cubic root of 2798785930 is about 1409.2560047255.

The spelling of 2798785930 in words is "two billion, seven hundred ninety-eight million, seven hundred eighty-five thousand, nine hundred thirty".