77000681111 has 2 divisors, whose sum is σ = 77000681112. Its totient is φ = 77000681110.

The previous prime is 77000681089. The next prime is 77000681183. The reversal of 77000681111 is 11118600077.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77000681111 - 2³⁰ = 75926939287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77000681011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38500340555 + 38500340556.

It is an arithmetic number, because the mean of its divisors is an integer number (38500340556).

Almost surely, 2^77000681111 is an apocalyptic number.

77000681111 is a deficient number, since it is larger than the sum of its proper divisors (1).

77000681111 is an equidigital number, since it uses as much as digits as its factorization.

77000681111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 32.

The spelling of 77000681111 in words is "seventy-seven billion, six hundred eighty-one thousand, one hundred eleven".