77450107201 has 2 divisors, whose sum is σ = 77450107202. Its totient is φ = 77450107200.

The previous prime is 77450107193. The next prime is 77450107219. The reversal of 77450107201 is 10270105477.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77431410225 + 18696976 = 278265^2 + 4324^2 .

It is an emirp because it is prime and its reverse (10270105477) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77450107201 - 2³ = 77450107193 is a prime.

It is not a weakly prime, because it can be changed into another prime (77450107261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38725053600 + 38725053601.

It is an arithmetic number, because the mean of its divisors is an integer number (38725053601).

Almost surely, 2^77450107201 is an apocalyptic number.

It is an amenable number.

77450107201 is a deficient number, since it is larger than the sum of its proper divisors (1).

77450107201 is an equidigital number, since it uses as much as digits as its factorization.

77450107201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13720, while the sum is 34.

The spelling of 77450107201 in words is "seventy-seven billion, four hundred fifty million, one hundred seven thousand, two hundred one".