77229374113 has 2 divisors, whose sum is σ = 77229374114. Its totient is φ = 77229374112.

The previous prime is 77229374107. The next prime is 77229374129. The reversal of 77229374113 is 31147392277.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53903837584 + 23325536529 = 232172^2 + 152727^2 .

It is a cyclic number.

It is not a de Polignac number, because 77229374113 - 2¹⁷ = 77229243041 is a prime.

It is not a weakly prime, because it can be changed into another prime (77229374713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38614687056 + 38614687057.

It is an arithmetic number, because the mean of its divisors is an integer number (38614687057).

Almost surely, 2^77229374113 is an apocalyptic number.

It is an amenable number.

77229374113 is a deficient number, since it is larger than the sum of its proper divisors (1).

77229374113 is an equidigital number, since it uses as much as digits as its factorization.

77229374113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528, while the sum is 46.

The spelling of 77229374113 in words is "seventy-seven billion, two hundred twenty-nine million, three hundred seventy-four thousand, one hundred thirteen".