677268401 has 4 divisors (see below), whose sum is σ = 680102400. Its totient is φ = 674434404.

The previous prime is 677268379. The next prime is 677268413. The reversal of 677268401 is 104862776.

677268401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 677268401 - 2¹⁰ = 677267377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677268451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416641 + ... + 1417118.

It is an arithmetic number, because the mean of its divisors is an integer number (170025600).

Almost surely, 2^677268401 is an apocalyptic number.

It is an amenable number.

677268401 is a deficient number, since it is larger than the sum of its proper divisors (2833999).

677268401 is a wasteful number, since it uses less digits than its factorization.

677268401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833998.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 677268401 is about 26024.3808956140. The cubic root of 677268401 is about 878.1868664272.

Subtracting from 677268401 its reverse (104862776), we obtain a square (572405625 = 23925²).

The spelling of 677268401 in words is "six hundred seventy-seven million, two hundred sixty-eight thousand, four hundred one".