77701603093 has 2 divisors, whose sum is σ = 77701603094. Its totient is φ = 77701603092.

The previous prime is 77701603037. The next prime is 77701603229. The reversal of 77701603093 is 39030610777.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76650352164 + 1051250929 = 276858^2 + 32423^2 .

It is a cyclic number.

It is not a de Polignac number, because 77701603093 - 2³³ = 69111668501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77702603093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38850801546 + 38850801547.

It is an arithmetic number, because the mean of its divisors is an integer number (38850801547).

Almost surely, 2^77701603093 is an apocalyptic number.

It is an amenable number.

77701603093 is a deficient number, since it is larger than the sum of its proper divisors (1).

77701603093 is an equidigital number, since it uses as much as digits as its factorization.

77701603093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 166698, while the sum is 43.

The spelling of 77701603093 in words is "seventy-seven billion, seven hundred one million, six hundred three thousand, ninety-three".