679894476890 has 32 divisors (see below), whose sum is σ = 1277068032000. Its totient is φ = 260123590144.

The previous prime is 679894476871. The next prime is 679894476901. The reversal of 679894476890 is 98674498976.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9407111 + ... + 9479109.

It is an arithmetic number, because the mean of its divisors is an integer number (39908376000).

Almost surely, 2^679894476890 is an apocalyptic number.

679894476890 is a deficient number, since it is larger than the sum of its proper divisors (597173555110).

679894476890 is a wasteful number, since it uses less digits than its factorization.

679894476890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113086.

The product of its (nonzero) digits is 1316818944, while the sum is 77.

The spelling of 679894476890 in words is "six hundred seventy-nine billion, eight hundred ninety-four million, four hundred seventy-six thousand, eight hundred ninety".