227261647087 has 2 divisors, whose sum is σ = 227261647088. Its totient is φ = 227261647086.

The previous prime is 227261647033. The next prime is 227261647121. The reversal of 227261647087 is 780746162722.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227261647087 is a prime.

It is a super-2 number, since 2×227261647087² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227261617087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113630823543 + 113630823544.

It is an arithmetic number, because the mean of its divisors is an integer number (113630823544).

Almost surely, 2^227261647087 is an apocalyptic number.

227261647087 is a deficient number, since it is larger than the sum of its proper divisors (1).

227261647087 is an equidigital number, since it uses as much as digits as its factorization.

227261647087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3161088, while the sum is 52.

The spelling of 227261647087 in words is "two hundred twenty-seven billion, two hundred sixty-one million, six hundred forty-seven thousand, eighty-seven".