672857143525 has 12 divisors (see below), whose sum is σ = 953534695072. Its totient is φ = 461387755440.

The previous prime is 672857143493. The next prime is 672857143531. The reversal of 672857143525 is 525341758276.

672857143525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 672857143525 - 2⁵ = 672857143493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1922448807 + ... + 1922449156.

Almost surely, 2^672857143525 is an apocalyptic number.

It is an amenable number.

672857143525 is a deficient number, since it is larger than the sum of its proper divisors (280677551547).

672857143525 is a wasteful number, since it uses less digits than its factorization.

672857143525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844897980 (or 3844897975 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 55.

The spelling of 672857143525 in words is "six hundred seventy-two billion, eight hundred fifty-seven million, one hundred forty-three thousand, five hundred twenty-five".