84025061409 has 8 divisors (see below), whose sum is σ = 112054483552. Its totient is φ = 56006173440.

The previous prime is 84025061383. The next prime is 84025061413. The reversal of 84025061409 is 90416052048.

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

It is not a de Polignac number, because 84025061409 - 2⁵ = 84025061377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84025061609) 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, 2614912 + ... + 2646849.

It is an arithmetic number, because the mean of its divisors is an integer number (14006810444).

Almost surely, 2^84025061409 is an apocalyptic number.

It is an amenable number.

84025061409 is a deficient number, since it is larger than the sum of its proper divisors (28029422143).

84025061409 is a wasteful number, since it uses less digits than its factorization.

84025061409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5267087.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 84025061409 in words is "eighty-four billion, twenty-five million, sixty-one thousand, four hundred nine".