1679875644 has 24 divisors (see below), whose sum is σ = 3928650880. Its totient is φ = 558681264.

The previous prime is 1679875619. The next prime is 1679875669. The reversal of 1679875644 is 4465789761.

It is an interprime number because it is at equal distance from previous prime (1679875619) and next prime (1679875669).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154174 + ... + 164709.

Almost surely, 2^1679875644 is an apocalyptic number.

It is an amenable number.

1679875644 is an abundant number, since it is smaller than the sum of its proper divisors (2248775236).

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

1679875644 is a wasteful number, since it uses less digits than its factorization.

1679875644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319329 (or 319327 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 57.

The square root of 1679875644 is about 40986.2860478966. The cubic root of 1679875644 is about 1188.7550579893.

The spelling of 1679875644 in words is "one billion, six hundred seventy-nine million, eight hundred seventy-five thousand, six hundred forty-four".