1679089477890 has 64 divisors (see below), whose sum is σ = 4397597568000. Its totient is φ = 406919029440.

The previous prime is 1679089477841. The next prime is 1679089477903. The reversal of 1679089477890 is 987749809761.

It is a Smith number, since the sum of its digits (75) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182611 + ... + 1841609.

It is an arithmetic number, because the mean of its divisors is an integer number (68712462000).

Almost surely, 2^{1679089477890} is an apocalyptic number.

1679089477890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1679089477890 is an abundant number, since it is smaller than the sum of its proper divisors (2718508090110).

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

1679089477890 is a wasteful number, since it uses less digits than its factorization.

1679089477890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662087.

The product of its (nonzero) digits is 384072192, while the sum is 75.

The spelling of 1679089477890 in words is "one trillion, six hundred seventy-nine billion, eighty-nine million, four hundred seventy-seven thousand, eight hundred ninety".