1679109387 has 8 divisors (see below), whose sum is σ = 2240610000. Its totient is φ = 1118507520.

The previous prime is 1679109373. The next prime is 1679109403. The reversal of 1679109387 is 7839019761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1679109387 - 2⁶ = 1679109323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1679109337) 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 7 ways as a sum of consecutive naturals, for example, 220314 + ... + 227807.

It is an arithmetic number, because the mean of its divisors is an integer number (280076250).

Almost surely, 2^1679109387 is an apocalyptic number.

1679109387 is a deficient number, since it is larger than the sum of its proper divisors (561500613).

1679109387 is a wasteful number, since it uses less digits than its factorization.

1679109387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449373.

The product of its (nonzero) digits is 571536, while the sum is 51.

The square root of 1679109387 is about 40976.9372574379. The cubic root of 1679109387 is about 1188.5742846047.

The spelling of 1679109387 in words is "one billion, six hundred seventy-nine million, one hundred nine thousand, three hundred eighty-seven".