77730053462839 has 2 divisors, whose sum is σ = 77730053462840. Its totient is φ = 77730053462838.

The previous prime is 77730053462797. The next prime is 77730053462851. The reversal of 77730053462839 is 93826435003777.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77730053462839 - 2¹⁷ = 77730053331767 is a prime.

It is a super-2 number, since 2×77730053462839² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77730053462879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38865026731419 + 38865026731420.

It is an arithmetic number, because the mean of its divisors is an integer number (38865026731420).

Almost surely, 2^{77730053462839} is an apocalyptic number.

77730053462839 is a deficient number, since it is larger than the sum of its proper divisors (1).

77730053462839 is an equidigital number, since it uses as much as digits as its factorization.

77730053462839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160030080, while the sum is 64.

The spelling of 77730053462839 in words is "seventy-seven trillion, seven hundred thirty billion, fifty-three million, four hundred sixty-two thousand, eight hundred thirty-nine".