227839507457 has 2 divisors, whose sum is σ = 227839507458. Its totient is φ = 227839507456.

The previous prime is 227839507409. The next prime is 227839507537. The reversal of 227839507457 is 754705938722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225899633521 + 1939873936 = 475289^2 + 44044^2 .

It is a cyclic number.

It is not a de Polignac number, because 227839507457 - 2¹² = 227839503361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 227839507396 and 227839507405.

It is not a weakly prime, because it can be changed into another prime (227839507657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113919753728 + 113919753729.

It is an arithmetic number, because the mean of its divisors is an integer number (113919753729).

Almost surely, 2^227839507457 is an apocalyptic number.

It is an amenable number.

227839507457 is a deficient number, since it is larger than the sum of its proper divisors (1).

227839507457 is an equidigital number, since it uses as much as digits as its factorization.

227839507457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29635200, while the sum is 59.

The spelling of 227839507457 in words is "two hundred twenty-seven billion, eight hundred thirty-nine million, five hundred seven thousand, four hundred fifty-seven".