677508841 has 3 divisors (see below), whose sum is σ = 677534871. Its totient is φ = 677482812.

The previous prime is 677508827. The next prime is 677508847. The reversal of 677508841 is 148805776.

The square root of 677508841 is 26029.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 27258841 + 650250000 = 5221^2 + 25500^2 .

It is not a de Polignac number, because 677508841 - 2⁹ = 677508329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 677508791 and 677508800.

It is not an unprimeable number, because it can be changed into a prime (677508847) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 13015 + ... + 39043.

It is an arithmetic number, because the mean of its divisors is an integer number (225844957).

Almost surely, 2^677508841 is an apocalyptic number.

677508841 is the 26029-th square number.

677508841 is the 13015-th centered octagonal number.

It is an amenable number.

677508841 is a deficient number, since it is larger than the sum of its proper divisors (26030).

677508841 is an frugal number, since it uses more digits than its factorization.

677508841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52058 (or 26029 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The cubic root of 677508841 is about 878.2907771110.

The spelling of 677508841 in words is "six hundred seventy-seven million, five hundred eight thousand, eight hundred forty-one".