84425512 has 32 divisors (see below), whose sum is σ = 170517600. Its totient is φ = 39057984.

The previous prime is 84425503. The next prime is 84425513. The reversal of 84425512 is 21552448.

It is not an unprimeable number, because it can be changed into a prime (84425513) 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, 78 + ... + 12994.

It is an arithmetic number, because the mean of its divisors is an integer number (5328675).

Almost surely, 2^84425512 is an apocalyptic number.

It is an amenable number.

84425512 is an abundant number, since it is smaller than the sum of its proper divisors (86092088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84425512 is a wasteful number, since it uses less digits than its factorization.

84425512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12985 (or 12981 counting only the distinct ones).

The product of its digits is 12800, while the sum is 31.

The square root of 84425512 is about 9188.3356490716. The cubic root of 84425512 is about 438.6901680031.

The spelling of 84425512 in words is "eighty-four million, four hundred twenty-five thousand, five hundred twelve".