677729814 has 48 divisors (see below), whose sum is σ = 1417703088. Its totient is φ = 215832384.

The previous prime is 677729813. The next prime is 677729849. The reversal of 677729814 is 418927776.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677729813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 772344 + ... + 773220.

It is an arithmetic number, because the mean of its divisors is an integer number (29535481).

Almost surely, 2^677729814 is an apocalyptic number.

677729814 is an abundant number, since it is smaller than the sum of its proper divisors (739973274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677729814 is a wasteful number, since it uses less digits than its factorization.

677729814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037 (or 978 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 51.

The square root of 677729814 is about 26033.2444001895. The cubic root of 677729814 is about 878.3862530861.

The spelling of 677729814 in words is "six hundred seventy-seven million, seven hundred twenty-nine thousand, eight hundred fourteen".