77340433771 has 2 divisors, whose sum is σ = 77340433772. Its totient is φ = 77340433770.

The previous prime is 77340433747. The next prime is 77340433789. The reversal of 77340433771 is 17733404377.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77340433771 - 2³⁵ = 42980695403 is a prime.

It is not a weakly prime, because it can be changed into another prime (77340430771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38670216885 + 38670216886.

It is an arithmetic number, because the mean of its divisors is an integer number (38670216886).

Almost surely, 2^77340433771 is an apocalyptic number.

77340433771 is a deficient number, since it is larger than the sum of its proper divisors (1).

77340433771 is an equidigital number, since it uses as much as digits as its factorization.

77340433771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1037232, while the sum is 46.

The spelling of 77340433771 in words is "seventy-seven billion, three hundred forty million, four hundred thirty-three thousand, seven hundred seventy-one".