677414477 has 2 divisors, whose sum is σ = 677414478. Its totient is φ = 677414476.

The previous prime is 677414461. The next prime is 677414483. The reversal of 677414477 is 774414776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 526886116 + 150528361 = 22954^2 + 12269^2 .

It is a cyclic number.

It is not a de Polignac number, because 677414477 - 2⁴ = 677414461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677414977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338707238 + 338707239.

It is an arithmetic number, because the mean of its divisors is an integer number (338707239).

Almost surely, 2^677414477 is an apocalyptic number.

It is an amenable number.

677414477 is a deficient number, since it is larger than the sum of its proper divisors (1).

677414477 is an equidigital number, since it uses as much as digits as its factorization.

677414477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 921984, while the sum is 47.

The square root of 677414477 is about 26027.1872663951. The cubic root of 677414477 is about 878.2499988588.

The spelling of 677414477 in words is "six hundred seventy-seven million, four hundred fourteen thousand, four hundred seventy-seven".