227985950537 has 4 divisors (see below), whose sum is σ = 228263644356. Its totient is φ = 227708256720.

The previous prime is 227985950509. The next prime is 227985950551. The reversal of 227985950537 is 735059589722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76704625936 + 151281324601 = 276956^2 + 388949^2 .

It is a cyclic number.

It is not a de Polignac number, because 227985950537 - 2⁶ = 227985950473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 227985950537.

It is not an unprimeable number, because it can be changed into a prime (227985050537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138845678 + ... + 138847319.

It is an arithmetic number, because the mean of its divisors is an integer number (57065911089).

Almost surely, 2^227985950537 is an apocalyptic number.

It is an amenable number.

227985950537 is a deficient number, since it is larger than the sum of its proper divisors (277693819).

227985950537 is an equidigital number, since it uses as much as digits as its factorization.

227985950537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277693818.

The product of its (nonzero) digits is 47628000, while the sum is 62.

The spelling of 227985950537 in words is "two hundred twenty-seven billion, nine hundred eighty-five million, nine hundred fifty thousand, five hundred thirty-seven".