1679999992 has 16 divisors (see below), whose sum is σ = 3436363800. Its totient is φ = 763636320.

The previous prime is 1679999983. The next prime is 1679999999. The reversal of 1679999992 is 2999999761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1679999999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9545367 + ... + 9545542.

Almost surely, 2^1679999992 is an apocalyptic number.

It is an amenable number.

1679999992 is an abundant number, since it is smaller than the sum of its proper divisors (1756363808).

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

1679999992 is a wasteful number, since it uses less digits than its factorization.

1679999992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19090926 (or 19090922 counting only the distinct ones).

The product of its digits is 44641044, while the sum is 70.

The square root of 1679999992 is about 40987.8029662484. The cubic root of 1679999992 is about 1188.7843886657.

It can be divided in two parts, 16 and 79999992, that added together give a palindrome (80000008).

The spelling of 1679999992 in words is "one billion, six hundred seventy-nine million, nine hundred ninety-nine thousand, nine hundred ninety-two".