2774798850 has 24 divisors (see below), whose sum is σ = 6881501520. Its totient is φ = 739946320.

The previous prime is 2774798833. The next prime is 2774798857. The reversal of 2774798850 is 588974772.

It is a super-2 number, since 2×2774798850² = 15399017315922645000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2774798857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9249180 + ... + 9249479.

It is an arithmetic number, because the mean of its divisors is an integer number (286729230).

Almost surely, 2^2774798850 is an apocalyptic number.

2774798850 is an abundant number, since it is smaller than the sum of its proper divisors (4106702670).

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

2774798850 is a wasteful number, since it uses less digits than its factorization.

2774798850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18498674 (or 18498669 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 57.

The square root of 2774798850 is about 52676.3594983556. The cubic root of 2774798850 is about 1405.2184240989.

The spelling of 2774798850 in words is "two billion, seven hundred seventy-four million, seven hundred ninety-eight thousand, eight hundred fifty".