677241865 has 8 divisors (see below), whose sum is σ = 820737288. Its totient is φ = 536428800.

The previous prime is 677241853. The next prime is 677241881. The reversal of 677241865 is 568142776.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 424813321 + 252428544 = 20611^2 + 15888^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 677241865 - 2¹¹ = 677239817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670032 + ... + 671041.

It is an arithmetic number, because the mean of its divisors is an integer number (102592161).

Almost surely, 2^677241865 is an apocalyptic number.

It is an amenable number.

677241865 is a deficient number, since it is larger than the sum of its proper divisors (143495423).

677241865 is a wasteful number, since it uses less digits than its factorization.

677241865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341179.

The product of its digits is 564480, while the sum is 46.

The square root of 677241865 is about 26023.8710610086. The cubic root of 677241865 is about 878.1753968872.

The spelling of 677241865 in words is "six hundred seventy-seven million, two hundred forty-one thousand, eight hundred sixty-five".