4728778587 has 24 divisors (see below), whose sum is σ = 7675702944. Its totient is φ = 2783493504.

The previous prime is 4728778553. The next prime is 4728778589. The reversal of 4728778587 is 7858778274.

4728778587 is a `hidden beast` number, since 47 + 2 + 8 + 7 + 7 + 8 + 587 = 666.

It is not a de Polignac number, because 4728778587 - 2¹⁶ = 4728713051 is a prime.

It is a super-2 number, since 2×4728778587² = 44722693849739433138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4728778589) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 875938 + ... + 881319.

It is an arithmetic number, because the mean of its divisors is an integer number (319820956).

Almost surely, 2^4728778587 is an apocalyptic number.

4728778587 is a deficient number, since it is larger than the sum of its proper divisors (2946924357).

4728778587 is a wasteful number, since it uses less digits than its factorization.

4728778587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757299 (or 1757296 counting only the distinct ones).

The product of its digits is 49172480, while the sum is 63.

The square root of 4728778587 is about 68766.1151076604. The cubic root of 4728778587 is about 1678.4806022436.

The spelling of 4728778587 in words is "four billion, seven hundred twenty-eight million, seven hundred seventy-eight thousand, five hundred eighty-seven".