677200401 has 6 divisors (see below), whose sum is σ = 978178370. Its totient is φ = 451466928.

The previous prime is 677200361. The next prime is 677200417. The reversal of 677200401 is 104002776.

It can be written as a sum of positive squares in only one way, i.e., 426009600 + 251190801 = 20640^2 + 15849^2 .

It is not a de Polignac number, because 677200401 - 2⁷ = 677200273 is a prime.

It is a super-2 number, since 2×677200401² = 917200766229121602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677200481) 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 in 5 ways as a sum of consecutive naturals, for example, 37622236 + ... + 37622253.

Almost surely, 2^677200401 is an apocalyptic number.

It is an amenable number.

677200401 is a deficient number, since it is larger than the sum of its proper divisors (300977969).

677200401 is a wasteful number, since it uses less digits than its factorization.

677200401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75244495 (or 75244492 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 677200401 is about 26023.0743956205. The cubic root of 677200401 is about 878.1574744828.

The spelling of 677200401 in words is "six hundred seventy-seven million, two hundred thousand, four hundred one".