227697762128 has 20 divisors (see below), whose sum is σ = 441212043360. Its totient is φ = 113836589664.

The previous prime is 227697762121. The next prime is 227697762133. The reversal of 227697762128 is 821267796722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227697762121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614450 + ... + 912657.

It is an arithmetic number, because the mean of its divisors is an integer number (22060602168).

Almost surely, 2^227697762128 is an apocalyptic number.

It is an amenable number.

227697762128 is a deficient number, since it is larger than the sum of its proper divisors (213514281232).

227697762128 is a wasteful number, since it uses less digits than its factorization.

227697762128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536434 (or 1536428 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 59.

The spelling of 227697762128 in words is "two hundred twenty-seven billion, six hundred ninety-seven million, seven hundred sixty-two thousand, one hundred twenty-eight".