677816063 has 4 divisors (see below), whose sum is σ = 678360000. Its totient is φ = 677272128.

The previous prime is 677816039. The next prime is 677816071. The reversal of 677816063 is 360618776.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677816063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677816033) 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, 270095 + ... + 272592.

It is an arithmetic number, because the mean of its divisors is an integer number (169590000).

Almost surely, 2^677816063 is an apocalyptic number.

677816063 is a deficient number, since it is larger than the sum of its proper divisors (543937).

677816063 is a wasteful number, since it uses less digits than its factorization.

677816063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543936.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 677816063 is about 26034.9008640325. The cubic root of 677816063 is about 878.4235131273.

The spelling of 677816063 in words is "six hundred seventy-seven million, eight hundred sixteen thousand, sixty-three".