71777077711 has 2 divisors, whose sum is σ = 71777077712. Its totient is φ = 71777077710.

The previous prime is 71777077649. The next prime is 71777077721. The reversal of 71777077711 is 11777077717.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71777077711 - 2¹¹ = 71777075663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71777077721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35888538855 + 35888538856.

It is an arithmetic number, because the mean of its divisors is an integer number (35888538856).

Almost surely, 2^71777077711 is an apocalyptic number.

71777077711 is a deficient number, since it is larger than the sum of its proper divisors (1).

71777077711 is an equidigital number, since it uses as much as digits as its factorization.

71777077711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 823543, while the sum is 52.

The spelling of 71777077711 in words is "seventy-one billion, seven hundred seventy-seven million, seventy-seven thousand, seven hundred eleven".