1679376887 has 4 divisors (see below), whose sum is σ = 1679540520. Its totient is φ = 1679213256.

The previous prime is 1679376833. The next prime is 1679376893. The reversal of 1679376887 is 7886739761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7886739761 = 1459 ⋅5405579.

It is a cyclic number.

It is not a de Polignac number, because 1679376887 - 2⁶ = 1679376823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1679370887) 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, 65312 + ... + 87317.

It is an arithmetic number, because the mean of its divisors is an integer number (419885130).

Almost surely, 2^1679376887 is an apocalyptic number.

1679376887 is a deficient number, since it is larger than the sum of its proper divisors (163633).

1679376887 is a wasteful number, since it uses less digits than its factorization.

1679376887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163632.

The product of its digits is 21337344, while the sum is 62.

The square root of 1679376887 is about 40980.2011586083. The cubic root of 1679376887 is about 1188.6373987653.

The spelling of 1679376887 in words is "one billion, six hundred seventy-nine million, three hundred seventy-six thousand, eight hundred eighty-seven".