2067422987 has 4 divisors (see below), whose sum is σ = 2362769136. Its totient is φ = 1772076840.

The previous prime is 2067422977. The next prime is 2067423031. The reversal of 2067422987 is 7892247602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7892247602 = 2 ⋅3946123801.

It is a cyclic number.

It is not a de Polignac number, because 2067422987 - 2¹⁰ = 2067421963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2067422977) 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 3 ways as a sum of consecutive naturals, for example, 147673064 + ... + 147673077.

It is an arithmetic number, because the mean of its divisors is an integer number (590692284).

Almost surely, 2^2067422987 is an apocalyptic number.

2067422987 is a deficient number, since it is larger than the sum of its proper divisors (295346149).

2067422987 is an equidigital number, since it uses as much as digits as its factorization.

2067422987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295346148.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 2067422987 is about 45468.9233103226. The cubic root of 2067422987 is about 1273.9228091655.

The spelling of 2067422987 in words is "two billion, sixty-seven million, four hundred twenty-two thousand, nine hundred eighty-seven".