677677601 has 2 divisors, whose sum is σ = 677677602. Its totient is φ = 677677600.

The previous prime is 677677547. The next prime is 677677603. The reversal of 677677601 is 106776776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 677248576 + 429025 = 26024^2 + 655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677677601 is a prime.

Together with 677677603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (677677603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338838800 + 338838801.

It is an arithmetic number, because the mean of its divisors is an integer number (338838801).

Almost surely, 2^677677601 is an apocalyptic number.

It is an amenable number.

677677601 is a deficient number, since it is larger than the sum of its proper divisors (1).

677677601 is an equidigital number, since it uses as much as digits as its factorization.

677677601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518616, while the sum is 47.

The square root of 677677601 is about 26032.2415669492. The cubic root of 677677601 is about 878.3636952475.

The spelling of 677677601 in words is "six hundred seventy-seven million, six hundred seventy-seven thousand, six hundred one".