2783798850 has 48 divisors (see below), whose sum is σ = 7890084288. Its totient is φ = 636296640.

The previous prime is 2783798839. The next prime is 2783798903. The reversal of 2783798850 is 588973872.

It is a happy number.

2783798850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2783798850² = 15499072074522645000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1324569 + ... + 1326668.

It is an arithmetic number, because the mean of its divisors is an integer number (164376756).

Almost surely, 2^2783798850 is an apocalyptic number.

2783798850 is an abundant number, since it is smaller than the sum of its proper divisors (5106285438).

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

2783798850 is a wasteful number, since it uses less digits than its factorization.

2783798850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651259 (or 2651254 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 57.

The square root of 2783798850 is about 52761.7176558914. The cubic root of 2783798850 is about 1406.7360496637.

The spelling of 2783798850 in words is "two billion, seven hundred eighty-three million, seven hundred ninety-eight thousand, eight hundred fifty".