84387425065 has 16 divisors (see below), whose sum is σ = 101556892800. Its totient is φ = 67315565952.

The previous prime is 84387425041. The next prime is 84387425117. The reversal of 84387425065 is 56052478348.

It is a cyclic number.

It is not a de Polignac number, because 84387425065 - 2¹¹ = 84387423017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2487004 + ... + 2520706.

It is an arithmetic number, because the mean of its divisors is an integer number (6347305800).

Almost surely, 2^84387425065 is an apocalyptic number.

It is an amenable number.

84387425065 is a deficient number, since it is larger than the sum of its proper divisors (17169467735).

84387425065 is a wasteful number, since it uses less digits than its factorization.

84387425065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35136.

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 84387425065 in words is "eighty-four billion, three hundred eighty-seven million, four hundred twenty-five thousand, sixty-five".