8454786077 has 2 divisors, whose sum is σ = 8454786078. Its totient is φ = 8454786076.

The previous prime is 8454786049. The next prime is 8454786143. The reversal of 8454786077 is 7706874548.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6441828121 + 2012957956 = 80261^2 + 44866^2 .

It is a cyclic number.

It is not a de Polignac number, because 8454786077 - 2¹² = 8454781981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8454786017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4227393038 + 4227393039.

It is an arithmetic number, because the mean of its divisors is an integer number (4227393039).

Almost surely, 2^8454786077 is an apocalyptic number.

It is an amenable number.

8454786077 is a deficient number, since it is larger than the sum of its proper divisors (1).

8454786077 is an equidigital number, since it uses as much as digits as its factorization.

8454786077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10536960, while the sum is 56.

The square root of 8454786077 is about 91949.9106959871. The cubic root of 8454786077 is about 2037.2025346759.

The spelling of 8454786077 in words is "eight billion, four hundred fifty-four million, seven hundred eighty-six thousand, seventy-seven".