678882799 has 12 divisors (see below), whose sum is σ = 790229304. Its totient is φ = 581524944.

The previous prime is 678882791. The next prime is 678882803. The reversal of 678882799 is 997288876.

It is not a de Polignac number, because 678882799 - 2³ = 678882791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 678882799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678882791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94689 + ... + 101605.

It is an arithmetic number, because the mean of its divisors is an integer number (65852442).

Almost surely, 2^678882799 is an apocalyptic number.

678882799 is a deficient number, since it is larger than the sum of its proper divisors (111346505).

678882799 is a wasteful number, since it uses less digits than its factorization.

678882799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8934 (or 8927 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 64.

The square root of 678882799 is about 26055.3794637499. The cubic root of 678882799 is about 878.8840878544.

The spelling of 678882799 in words is "six hundred seventy-eight million, eight hundred eighty-two thousand, seven hundred ninety-nine".