107771631217 has 2 divisors, whose sum is σ = 107771631218. Its totient is φ = 107771631216.

The previous prime is 107771631197. The next prime is 107771631221. The reversal of 107771631217 is 712136177701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106030989376 + 1740641841 = 325624^2 + 41721^2 .

It is a cyclic number.

It is not a de Polignac number, because 107771631217 - 2¹¹ = 107771629169 is a prime.

It is a super-2 number, since 2×107771631217² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (107771637217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53885815608 + 53885815609.

It is an arithmetic number, because the mean of its divisors is an integer number (53885815609).

Almost surely, 2^107771631217 is an apocalyptic number.

It is an amenable number.

107771631217 is a deficient number, since it is larger than the sum of its proper divisors (1).

107771631217 is an equidigital number, since it uses as much as digits as its factorization.

107771631217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86436, while the sum is 43.

The spelling of 107771631217 in words is "one hundred seven billion, seven hundred seventy-one million, six hundred thirty-one thousand, two hundred seventeen".