4747776345 has 24 divisors (see below), whose sum is σ = 8862516936. Its totient is φ = 2337366528.

The previous prime is 4747776331. The next prime is 4747776349. The reversal of 4747776345 is 5436777474.

4747776345 is a `hidden beast` number, since 474 + 7 + 77 + 63 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15129 + 4747761216 = 123^2 + 68904^2 .

It is not a de Polignac number, because 4747776345 - 2¹³ = 4747768153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4747776291 and 4747776300.

It is not an unprimeable number, because it can be changed into a prime (4747776349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4057344 + ... + 4058513.

It is an arithmetic number, because the mean of its divisors is an integer number (369271539).

Almost surely, 2^4747776345 is an apocalyptic number.

4747776345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4747776345 is a deficient number, since it is larger than the sum of its proper divisors (4114740591).

4747776345 is a wasteful number, since it uses less digits than its factorization.

4747776345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8115881 (or 8115878 counting only the distinct ones).

The product of its digits is 13829760, while the sum is 54.

The square root of 4747776345 is about 68904.1097830891. The cubic root of 4747776345 is about 1680.7253511080.

The spelling of 4747776345 in words is "four billion, seven hundred forty-seven million, seven hundred seventy-six thousand, three hundred forty-five".