677216247 has 8 divisors (see below), whose sum is σ = 915672960. Its totient is φ = 445118520.

The previous prime is 677216227. The next prime is 677216251. The reversal of 677216247 is 742612776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 677216247 - 2¹¹ = 677214199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 677216199 and 677216208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677216227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1589497 + ... + 1589922.

It is an arithmetic number, because the mean of its divisors is an integer number (114459120).

Almost surely, 2^677216247 is an apocalyptic number.

677216247 is a deficient number, since it is larger than the sum of its proper divisors (238456713).

677216247 is a wasteful number, since it uses less digits than its factorization.

677216247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179493.

The product of its digits is 197568, while the sum is 42.

The square root of 677216247 is about 26023.3788544071. The cubic root of 677216247 is about 878.1643238461.

The spelling of 677216247 in words is "six hundred seventy-seven million, two hundred sixteen thousand, two hundred forty-seven".