677968827 has 16 divisors (see below), whose sum is σ = 909480960. Its totient is φ = 449226752.

The previous prime is 677968813. The next prime is 677968829. The reversal of 677968827 is 728869776.

It is a cyclic number.

It is not a de Polignac number, because 677968827 - 2¹² = 677964731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (677968829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553738 + ... + 554960.

It is an arithmetic number, because the mean of its divisors is an integer number (56842560).

Almost surely, 2^677968827 is an apocalyptic number.

677968827 is a deficient number, since it is larger than the sum of its proper divisors (231512133).

677968827 is a wasteful number, since it uses less digits than its factorization.

677968827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202.

The product of its digits is 14224896, while the sum is 60.

The square root of 677968827 is about 26037.8345297761. The cubic root of 677968827 is about 878.4895002571.

The spelling of 677968827 in words is "six hundred seventy-seven million, nine hundred sixty-eight thousand, eight hundred twenty-seven".