4028808501487 has 24 divisors (see below), whose sum is σ = 5113295275392. Its totient is φ = 3138919887600.

The previous prime is 4028808501479. The next prime is 4028808501527. The reversal of 4028808501487 is 7841058088204.

It is a happy number.

It is not a de Polignac number, because 4028808501487 - 2³ = 4028808501479 is a prime.

It is a super-2 number, since 2×4028808501487² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028808511487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3659518 + ... + 4631380.

It is an arithmetic number, because the mean of its divisors is an integer number (213053969808).

Almost surely, 2^{4028808501487} is an apocalyptic number.

4028808501487 is a deficient number, since it is larger than the sum of its proper divisors (1084486773905).

4028808501487 is a wasteful number, since it uses less digits than its factorization.

4028808501487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979579 (or 979572 counting only the distinct ones).

The product of its (nonzero) digits is 4587520, while the sum is 55.

The spelling of 4028808501487 in words is "four trillion, twenty-eight billion, eight hundred eight million, five hundred one thousand, four hundred eighty-seven".