227863977201 has 45 divisors (see below), whose sum is σ = 396015442779. Its totient is φ = 130190802336.

The previous prime is 227863977179. The next prime is 227863977259. The reversal of 227863977201 is 102779368722.

The square root of 227863977201 is 477351.

It is a perfect power (a square), and thus also a powerful number.

227863977201 is a `hidden beast` number, since 227 + 8 + 6 + 397 + 7 + 20 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1501175025 + 226362802176 = 38745^2 + 475776^2 .

It is not a de Polignac number, because 227863977201 - 2²³ = 227855588593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (227863997201) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 30069325 + ... + 30076901.

Almost surely, 2^227863977201 is an apocalyptic number.

227863977201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

227863977201 is the 477351-st square number.

227863977201 is the 238676-th centered octagonal number.

It is an amenable number.

227863977201 is a deficient number, since it is larger than the sum of its proper divisors (168151465578).

227863977201 is an frugal number, since it uses more digits than its factorization.

227863977201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15180 (or 7587 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 227863977201 in words is "two hundred twenty-seven billion, eight hundred sixty-three million, nine hundred seventy-seven thousand, two hundred one".