677680401 has 16 divisors (see below), whose sum is σ = 959212800. Its totient is φ = 424105728.

The previous prime is 677680397. The next prime is 677680403. The reversal of 677680401 is 104086776.

It is not a de Polignac number, because 677680401 - 2² = 677680397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677680401.

It is not an unprimeable number, because it can be changed into a prime (677680403) 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 15 ways as a sum of consecutive naturals, for example, 2760 + ... + 36918.

It is an arithmetic number, because the mean of its divisors is an integer number (59950800).

Almost surely, 2^677680401 is an apocalyptic number.

It is an amenable number.

677680401 is a deficient number, since it is larger than the sum of its proper divisors (281532399).

677680401 is a wasteful number, since it uses less digits than its factorization.

677680401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34568.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 677680401 is about 26032.2953463578. The cubic root of 677680401 is about 878.3649049747.

The spelling of 677680401 in words is "six hundred seventy-seven million, six hundred eighty thousand, four hundred one".