84426612225 has 12 divisors (see below), whose sum is σ = 139585332336. Its totient is φ = 45027526480.

The previous prime is 84426612209. The next prime is 84426612227. The reversal of 84426612225 is 52221662448.

It is not a de Polignac number, because 84426612225 - 2⁴ = 84426612209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84426612227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 562844007 + ... + 562844156.

It is an arithmetic number, because the mean of its divisors is an integer number (11632111028).

Almost surely, 2^84426612225 is an apocalyptic number.

It is an amenable number.

84426612225 is a deficient number, since it is larger than the sum of its proper divisors (55158720111).

84426612225 is a wasteful number, since it uses less digits than its factorization.

84426612225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125688176 (or 1125688171 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The spelling of 84426612225 in words is "eighty-four billion, four hundred twenty-six million, six hundred twelve thousand, two hundred twenty-five".