4087613648 has 20 divisors (see below), whose sum is σ = 7921854948. Its totient is φ = 2043264000.

The previous prime is 4087613617. The next prime is 4087613693. The reversal of 4087613648 is 8463167804.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 187361344 + 3900252304 = 13688^2 + 62452^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32090 + ... + 95942.

Almost surely, 2^4087613648 is an apocalyptic number.

It is an amenable number.

4087613648 is a deficient number, since it is larger than the sum of its proper divisors (3834241300).

4087613648 is a wasteful number, since it uses less digits than its factorization.

4087613648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67862 (or 67856 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 4087613648 is about 63934.4480542376. The cubic root of 4087613648 is about 1598.9072809814.

The spelling of 4087613648 in words is "four billion, eighty-seven million, six hundred thirteen thousand, six hundred forty-eight".