4978939287 has 16 divisors (see below), whose sum is σ = 7665174272. Its totient is φ = 2815776000.

The previous prime is 4978939279. The next prime is 4978939289. The reversal of 4978939287 is 7829398794.

It is not a de Polignac number, because 4978939287 - 2³ = 4978939279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978939289) 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, 1220089 + ... + 1224162.

It is an arithmetic number, because the mean of its divisors is an integer number (479073392).

Almost surely, 2^4978939287 is an apocalyptic number.

4978939287 is a deficient number, since it is larger than the sum of its proper divisors (2686234985).

4978939287 is a wasteful number, since it uses less digits than its factorization.

4978939287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444358.

The product of its digits is 54867456, while the sum is 66.

The square root of 4978939287 is about 70561.5992378291. The cubic root of 4978939287 is about 1707.5716802960.

The spelling of 4978939287 in words is "four billion, nine hundred seventy-eight million, nine hundred thirty-nine thousand, two hundred eighty-seven".