84425086 has 4 divisors (see below), whose sum is σ = 126637632. Its totient is φ = 42212542.

The previous prime is 84425071. The next prime is 84425123. The reversal of 84425086 is 68052448.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×84425086² = 14255190292214792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21106270 + ... + 21106273.

It is an arithmetic number, because the mean of its divisors is an integer number (31659408).

Almost surely, 2^84425086 is an apocalyptic number.

84425086 is a deficient number, since it is larger than the sum of its proper divisors (42212546).

84425086 is a wasteful number, since it uses less digits than its factorization.

84425086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42212545.

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 84425086 is about 9188.3124674774. The cubic root of 84425086 is about 438.6894301443.

The spelling of 84425086 in words is "eighty-four million, four hundred twenty-five thousand, eighty-six".