677305297 has 4 divisors (see below), whose sum is σ = 691716096. Its totient is φ = 662894500.

The previous prime is 677305283. The next prime is 677305303. The reversal of 677305297 is 792503776.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 677305297 - 2¹⁵ = 677272529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677305247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7205329 + ... + 7205422.

It is an arithmetic number, because the mean of its divisors is an integer number (172929024).

Almost surely, 2^677305297 is an apocalyptic number.

It is an amenable number.

677305297 is a deficient number, since it is larger than the sum of its proper divisors (14410799).

677305297 is a wasteful number, since it uses less digits than its factorization.

677305297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14410798.

The product of its (nonzero) digits is 555660, while the sum is 46.

The square root of 677305297 is about 26025.0897596915. The cubic root of 677305297 is about 878.2028133272.

The spelling of 677305297 in words is "six hundred seventy-seven million, three hundred five thousand, two hundred ninety-seven".