2087421608 has 16 divisors (see below), whose sum is σ = 3934197780. Its totient is φ = 1038302208.

The previous prime is 2087421599. The next prime is 2087421683. The reversal of 2087421608 is 8061247802.

It can be written as a sum of positive squares in 2 ways, for example, as 1955585284 + 131836324 = 44222^2 + 11482^2 .

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, 674435 + ... + 677522.

Almost surely, 2^2087421608 is an apocalyptic number.

It is an amenable number.

2087421608 is a deficient number, since it is larger than the sum of its proper divisors (1846776172).

2087421608 is a wasteful number, since it uses less digits than its factorization.

2087421608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352156 (or 1352152 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 2087421608 is about 45688.3093143093. The cubic root of 2087421608 is about 1278.0172770230.

The spelling of 2087421608 in words is "two billion, eighty-seven million, four hundred twenty-one thousand, six hundred eight".