677181241 has 4 divisors (see below), whose sum is σ = 738743184. Its totient is φ = 615619300.

The previous prime is 677181221. The next prime is 677181251. The reversal of 677181241 is 142181776.

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 677181241 - 2⁵ = 677181209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 677181241.

It is not an unprimeable number, because it can be changed into a prime (677181221) 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, 30780955 + ... + 30780976.

It is an arithmetic number, because the mean of its divisors is an integer number (184685796).

Almost surely, 2^677181241 is an apocalyptic number.

It is an amenable number.

677181241 is a deficient number, since it is larger than the sum of its proper divisors (61561943).

677181241 is a wasteful number, since it uses less digits than its factorization.

677181241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61561942.

The product of its digits is 18816, while the sum is 37.

The square root of 677181241 is about 26022.7062581892. The cubic root of 677181241 is about 878.1491925149.

The spelling of 677181241 in words is "six hundred seventy-seven million, one hundred eighty-one thousand, two hundred forty-one".