4878495939 has 8 divisors (see below), whose sum is σ = 6505612992. Its totient is φ = 3251854760.

The previous prime is 4878495911. The next prime is 4878495953. The reversal of 4878495939 is 9395948784.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4878495939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4878495939.

It is not an unprimeable number, because it can be changed into a prime (4878494939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94317 + ... + 136574.

It is an arithmetic number, because the mean of its divisors is an integer number (813201624).

Almost surely, 2^4878495939 is an apocalyptic number.

4878495939 is a deficient number, since it is larger than the sum of its proper divisors (1627117053).

4878495939 is a wasteful number, since it uses less digits than its factorization.

4878495939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237937.

The product of its digits is 78382080, while the sum is 66.

The square root of 4878495939 is about 69846.2306713827. The cubic root of 4878495939 is about 1696.0109398167.

The spelling of 4878495939 in words is "four billion, eight hundred seventy-eight million, four hundred ninety-five thousand, nine hundred thirty-nine".