77860884574111 has 2 divisors, whose sum is σ = 77860884574112. Its totient is φ = 77860884574110.

The previous prime is 77860884574003. The next prime is 77860884574133. The reversal of 77860884574111 is 11147548806877.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77860884574111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77860884574511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38930442287055 + 38930442287056.

It is an arithmetic number, because the mean of its divisors is an integer number (38930442287056).

Almost surely, 2^{77860884574111} is an apocalyptic number.

77860884574111 is a deficient number, since it is larger than the sum of its proper divisors (1).

77860884574111 is an equidigital number, since it uses as much as digits as its factorization.

77860884574111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84295680, while the sum is 67.

The spelling of 77860884574111 in words is "seventy-seven trillion, eight hundred sixty billion, eight hundred eighty-four million, five hundred seventy-four thousand, one hundred eleven".