2112783770 has 16 divisors (see below), whose sum is σ = 3819621960. Its totient is φ = 841422144.

The previous prime is 2112783767. The next prime is 2112783773. The reversal of 2112783770 is 773872112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2112783767) and next prime (2112783773).

It can be written as a sum of positive squares in 4 ways, for example, as 1776538201 + 336245569 = 42149^2 + 18337^2 .

It is not an unprimeable number, because it can be changed into a prime (2112783773) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 459017 + ... + 463596.

Almost surely, 2^2112783770 is an apocalyptic number.

2112783770 is a deficient number, since it is larger than the sum of its proper divisors (1706838190).

2112783770 is a wasteful number, since it uses less digits than its factorization.

2112783770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922849.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 2112783770 is about 45965.0276840991. The cubic root of 2112783770 is about 1283.1724225454.

The spelling of 2112783770 in words is "two billion, one hundred twelve million, seven hundred eighty-three thousand, seven hundred seventy".