4979287647 has 20 divisors (see below), whose sum is σ = 7465879080. Its totient is φ = 3307170384.

The previous prime is 4979287639. The next prime is 4979287657. The reversal of 4979287647 is 7467829794.

4979287647 is a `hidden beast` number, since 497 + 9 + 2 + 87 + 64 + 7 = 666.

It is not a de Polignac number, because 4979287647 - 2³ = 4979287639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4979287627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 92473 + ... + 136050.

It is an arithmetic number, because the mean of its divisors is an integer number (373293954).

Almost surely, 2^4979287647 is an apocalyptic number.

4979287647 is a deficient number, since it is larger than the sum of its proper divisors (2486591433).

4979287647 is a wasteful number, since it uses less digits than its factorization.

4979287647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228804 (or 228795 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 63.

The square root of 4979287647 is about 70564.0676761197. The cubic root of 4979287647 is about 1707.6115037579.

The spelling of 4979287647 in words is "four billion, nine hundred seventy-nine million, two hundred eighty-seven thousand, six hundred forty-seven".