5672778345 has 48 divisors (see below), whose sum is σ = 10665520320. Its totient is φ = 2772620928.

The previous prime is 5672778289. The next prime is 5672778361. The reversal of 5672778345 is 5438772765.

It is a happy number.

5672778345 is a `hidden beast` number, since 567 + 2 + 7 + 78 + 3 + 4 + 5 = 666.

It is not a de Polignac number, because 5672778345 - 2¹⁰ = 5672777321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5672778291 and 5672778300.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46434 + ... + 116196.

It is an arithmetic number, because the mean of its divisors is an integer number (222198340).

Almost surely, 2^5672778345 is an apocalyptic number.

It is an amenable number.

5672778345 is a deficient number, since it is larger than the sum of its proper divisors (4992741975).

5672778345 is a wasteful number, since it uses less digits than its factorization.

5672778345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69926 (or 69923 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 54.

The square root of 5672778345 is about 75317.8487810160. The cubic root of 5672778345 is about 1783.4677951622.

The spelling of 5672778345 in words is "five billion, six hundred seventy-two million, seven hundred seventy-eight thousand, three hundred forty-five".