4779951985 has 8 divisors (see below), whose sum is σ = 5737919616. Its totient is φ = 3822643440.

The previous prime is 4779951949. The next prime is 4779951997. The reversal of 4779951985 is 5891599774.

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

It is not a de Polignac number, because 4779951985 - 2¹⁵ = 4779919217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148671 + ... + 177940.

It is an arithmetic number, because the mean of its divisors is an integer number (717239952).

Almost surely, 2^4779951985 is an apocalyptic number.

It is an amenable number.

4779951985 is a deficient number, since it is larger than the sum of its proper divisors (957967631).

4779951985 is a wasteful number, since it uses less digits than its factorization.

4779951985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329543.

The product of its digits is 28576800, while the sum is 64.

The square root of 4779951985 is about 69137.1968263105. The cubic root of 4779951985 is about 1684.5135602124.

The spelling of 4779951985 in words is "four billion, seven hundred seventy-nine million, nine hundred fifty-one thousand, nine hundred eighty-five".