2785867442 has 8 divisors (see below), whose sum is σ = 4188453276. Its totient is φ = 1389716352.

The previous prime is 2785867327. The next prime is 2785867477. The reversal of 2785867442 is 2447685872.

2785867442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2294314201 + 491553241 = 47899^2 + 22171^2 .

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

It is a super-2 number, since 2×2785867442² = 15522114808791246728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1607603 + ... + 1609334.

Almost surely, 2^2785867442 is an apocalyptic number.

2785867442 is a deficient number, since it is larger than the sum of its proper divisors (1402585834).

2785867442 is a wasteful number, since it uses less digits than its factorization.

2785867442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217372.

The product of its digits is 6021120, while the sum is 53.

The square root of 2785867442 is about 52781.3171681041. The cubic root of 2785867442 is about 1407.0844036711.

The spelling of 2785867442 in words is "two billion, seven hundred eighty-five million, eight hundred sixty-seven thousand, four hundred forty-two".