84425164 has 6 divisors (see below), whose sum is σ = 147744044. Its totient is φ = 42212580.

The previous prime is 84425141. The next prime is 84425221. The reversal of 84425164 is 46152448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10553142 + ... + 10553149.

Almost surely, 2^84425164 is an apocalyptic number.

It is an amenable number.

84425164 is a deficient number, since it is larger than the sum of its proper divisors (63318880).

84425164 is a wasteful number, since it uses less digits than its factorization.

84425164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21106295 (or 21106293 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 84425164 is about 9188.3167119990. The cubic root of 84425164 is about 438.6895652454.

The spelling of 84425164 in words is "eighty-four million, four hundred twenty-five thousand, one hundred sixty-four".