4785777913 has 12 divisors (see below), whose sum is σ = 5717594532. Its totient is φ = 3991226400.

The previous prime is 4785777911. The next prime is 4785777929. The reversal of 4785777913 is 3197775874.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2458969744 + 2326808169 = 49588^2 + 48237^2 .

It is not a de Polignac number, because 4785777913 - 2¹ = 4785777911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4785777911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1318038 + ... + 1321663.

It is an arithmetic number, because the mean of its divisors is an integer number (476466211).

Almost surely, 2^4785777913 is an apocalyptic number.

It is an amenable number.

4785777913 is a deficient number, since it is larger than the sum of its proper divisors (931816619).

4785777913 is a wasteful number, since it uses less digits than its factorization.

4785777913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639752 (or 2639745 counting only the distinct ones).

The product of its digits is 10372320, while the sum is 58.

The square root of 4785777913 is about 69179.3170897198. The cubic root of 4785777913 is about 1685.1976584572.

The spelling of 4785777913 in words is "four billion, seven hundred eighty-five million, seven hundred seventy-seven thousand, nine hundred thirteen".