77795059 has 2 divisors, whose sum is σ = 77795060. Its totient is φ = 77795058.

The previous prime is 77795057. The next prime is 77795071. The reversal of 77795059 is 95059777.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77795059 - 2¹ = 77795057 is a prime.

Together with 77795057, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (77795057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38897529 + 38897530.

It is an arithmetic number, because the mean of its divisors is an integer number (38897530).

Almost surely, 2^77795059 is an apocalyptic number.

77795059 is a deficient number, since it is larger than the sum of its proper divisors (1).

77795059 is an equidigital number, since it uses as much as digits as its factorization.

77795059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 694575, while the sum is 49.

The square root of 77795059 is about 8820.1507356734. The cubic root of 77795059 is about 426.8913335687.

The spelling of 77795059 in words is "seventy-seven million, seven hundred ninety-five thousand, fifty-nine".