4811987747 has 16 divisors (see below), whose sum is σ = 5818882560. Its totient is φ = 3887212032.

The previous prime is 4811987731. The next prime is 4811987749. The reversal of 4811987747 is 7477891184.

It is a cyclic number.

It is not a de Polignac number, because 4811987747 - 2⁴ = 4811987731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4811987692 and 4811987701.

It is not an unprimeable number, because it can be changed into a prime (4811987749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68063 + ... + 119400.

It is an arithmetic number, because the mean of its divisors is an integer number (363680160).

Almost surely, 2^4811987747 is an apocalyptic number.

4811987747 is a deficient number, since it is larger than the sum of its proper divisors (1006894813).

4811987747 is a wasteful number, since it uses less digits than its factorization.

4811987747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187682.

The product of its digits is 3161088, while the sum is 56.

The square root of 4811987747 is about 69368.4924659604. The cubic root of 4811987747 is about 1688.2684489300.

The spelling of 4811987747 in words is "four billion, eight hundred eleven million, nine hundred eighty-seven thousand, seven hundred forty-seven".