227747643345 has 24 divisors (see below), whose sum is σ = 395547437376. Its totient is φ = 121223915808.

The previous prime is 227747643289. The next prime is 227747643439. The reversal of 227747643345 is 543346747722.

227747643345 is a `hidden beast` number, since 22 + 77 + 476 + 43 + 3 + 45 = 666.

It is not a de Polignac number, because 227747643345 - 2⁸ = 227747643089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 227747643291 and 227747643300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5008239 + ... + 5053508.

It is an arithmetic number, because the mean of its divisors is an integer number (16481143224).

Almost surely, 2^227747643345 is an apocalyptic number.

It is an amenable number.

227747643345 is a deficient number, since it is larger than the sum of its proper divisors (167799794031).

227747643345 is a wasteful number, since it uses less digits than its factorization.

227747643345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10062261 (or 10062258 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 54.

The spelling of 227747643345 in words is "two hundred twenty-seven billion, seven hundred forty-seven million, six hundred forty-three thousand, three hundred forty-five".