679822898 has 16 divisors (see below), whose sum is σ = 1038312000. Its totient is φ = 333733392.

The previous prime is 679822889. The next prime is 679822903. The reversal of 679822898 is 898228976.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105308 + ... + 111576.

It is an arithmetic number, because the mean of its divisors is an integer number (64894500).

Almost surely, 2^679822898 is an apocalyptic number.

679822898 is a deficient number, since it is larger than the sum of its proper divisors (358489102).

679822898 is a wasteful number, since it uses less digits than its factorization.

679822898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7249.

The product of its digits is 6967296, while the sum is 59.

The square root of 679822898 is about 26073.4136238430. The cubic root of 679822898 is about 879.2895859081.

The spelling of 679822898 in words is "six hundred seventy-nine million, eight hundred twenty-two thousand, eight hundred ninety-eight".