672828839 has 8 divisors (see below), whose sum is σ = 712761840. Its totient is φ = 632935296.

The previous prime is 672828833. The next prime is 672828847. The reversal of 672828839 is 938828276.

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

It is not a de Polignac number, because 672828839 - 2⁴ = 672828823 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 (672828833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29852 + ... + 47294.

It is an arithmetic number, because the mean of its divisors is an integer number (89095230).

Almost surely, 2^672828839 is an apocalyptic number.

672828839 is a deficient number, since it is larger than the sum of its proper divisors (39933001).

672828839 is a wasteful number, since it uses less digits than its factorization.

672828839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19729.

The product of its digits is 2322432, while the sum is 53.

The square root of 672828839 is about 25938.9444465267. The cubic root of 672828839 is about 876.2637907670.

The spelling of 672828839 in words is "six hundred seventy-two million, eight hundred twenty-eight thousand, eight hundred thirty-nine".