84915086 has 4 divisors (see below), whose sum is σ = 127372632. Its totient is φ = 42457542.

The previous prime is 84915079. The next prime is 84915139. The reversal of 84915086 is 68051948.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21228770 + ... + 21228773.

It is an arithmetic number, because the mean of its divisors is an integer number (31843158).

Almost surely, 2^84915086 is an apocalyptic number.

84915086 is a deficient number, since it is larger than the sum of its proper divisors (42457546).

84915086 is a wasteful number, since it uses less digits than its factorization.

84915086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42457545.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 84915086 is about 9214.9381983820. The cubic root of 84915086 is about 439.5365057300.

The spelling of 84915086 in words is "eighty-four million, nine hundred fifteen thousand, eighty-six".