84501625089 has 32 divisors (see below), whose sum is σ = 135923040000. Its totient is φ = 46621569792.

The previous prime is 84501625073. The next prime is 84501625133. The reversal of 84501625089 is 98052610548.

It is not a de Polignac number, because 84501625089 - 2⁴ = 84501625073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84501625049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1386024 + ... + 1445705.

It is an arithmetic number, because the mean of its divisors is an integer number (4247595000).

Almost surely, 2^84501625089 is an apocalyptic number.

It is an amenable number.

84501625089 is a deficient number, since it is larger than the sum of its proper divisors (51421414911).

84501625089 is a wasteful number, since it uses less digits than its factorization.

84501625089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831782 (or 2831768 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 84501625089 in words is "eighty-four billion, five hundred one million, six hundred twenty-five thousand, eighty-nine".