77111311404287 has 2 divisors, whose sum is σ = 77111311404288. Its totient is φ = 77111311404286.

The previous prime is 77111311404223. The next prime is 77111311404299. The reversal of 77111311404287 is 78240411311177.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77111311404287 - 2⁶ = 77111311404223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77111311404217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38555655702143 + 38555655702144.

It is an arithmetic number, because the mean of its divisors is an integer number (38555655702144).

Almost surely, 2^{77111311404287} is an apocalyptic number.

77111311404287 is a deficient number, since it is larger than the sum of its proper divisors (1).

77111311404287 is an equidigital number, since it uses as much as digits as its factorization.

77111311404287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 263424, while the sum is 47.

The spelling of 77111311404287 in words is "seventy-seven trillion, one hundred eleven billion, three hundred eleven million, four hundred four thousand, two hundred eighty-seven".