77620014629 has 2 divisors, whose sum is σ = 77620014630. Its totient is φ = 77620014628.

The previous prime is 77620014623. The next prime is 77620014707. The reversal of 77620014629 is 92641002677.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77604030625 + 15984004 = 278575^2 + 3998^2 .

It is a cyclic number.

It is not a de Polignac number, because 77620014629 - 2¹⁶ = 77619949093 is a prime.

It is a super-3 number, since 3×77620014629³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77620014629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77620014623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38810007314 + 38810007315.

It is an arithmetic number, because the mean of its divisors is an integer number (38810007315).

Almost surely, 2^77620014629 is an apocalyptic number.

It is an amenable number.

77620014629 is a deficient number, since it is larger than the sum of its proper divisors (1).

77620014629 is an equidigital number, since it uses as much as digits as its factorization.

77620014629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 77620014629 in words is "seventy-seven billion, six hundred twenty million, fourteen thousand, six hundred twenty-nine".