210840006875 has 10 divisors (see below), whose sum is σ = 263465673372. Its totient is φ = 168672005000.

The previous prime is 210840006869. The next prime is 210840006919. The reversal of 210840006875 is 578600048012.

It is not a de Polignac number, because 210840006875 - 2³⁴ = 193660137691 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 168671381 + ... + 168672630.

Almost surely, 2^210840006875 is an apocalyptic number.

210840006875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

210840006875 is a deficient number, since it is larger than the sum of its proper divisors (52625666497).

210840006875 is an frugal number, since it uses more digits than its factorization.

210840006875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337344031 (or 337344016 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 210840006875 in words is "two hundred ten billion, eight hundred forty million, six thousand, eight hundred seventy-five".