84875640825 has 24 divisors (see below), whose sum is σ = 141352033248. Its totient is φ = 44936586880.

The previous prime is 84875640793. The next prime is 84875640827. The reversal of 84875640825 is 52804657848.

It is not a de Polignac number, because 84875640825 - 2⁵ = 84875640793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84875640827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4119927 + ... + 4140476.

It is an arithmetic number, because the mean of its divisors is an integer number (5889668052).

Almost surely, 2^84875640825 is an apocalyptic number.

It is an amenable number.

84875640825 is a deficient number, since it is larger than the sum of its proper divisors (56476392423).

84875640825 is a wasteful number, since it uses less digits than its factorization.

84875640825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8260553 (or 8260548 counting only the distinct ones).

The product of its (nonzero) digits is 17203200, while the sum is 57.

The spelling of 84875640825 in words is "eighty-four billion, eight hundred seventy-five million, six hundred forty thousand, eight hundred twenty-five".