2087644608 has 504 divisors, whose sum is σ = 7792059600. Its totient is φ = 529514496.

The previous prime is 2087644607. The next prime is 2087644619. The reversal of 2087644608 is 8064467802.

It is a tau number, because it is divible by the number of its divisors (504).

It is a super-2 number, since 2×2087644608² = 8716520018622947328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087644607) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9116238 + ... + 9116466.

Almost surely, 2^2087644608 is an apocalyptic number.

2087644608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2087644608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3896029800).

2087644608 is an abundant number, since it is smaller than the sum of its proper divisors (5704414992).

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

2087644608 is a wasteful number, since it uses less digits than its factorization.

2087644608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 2087644608 is about 45690.7496983799. The cubic root of 2087644608 is about 1278.0627857507.

The spelling of 2087644608 in words is "two billion, eighty-seven million, six hundred forty-four thousand, six hundred eight".