84089087 has 8 divisors (see below), whose sum is σ = 85804032. Its totient is φ = 82387800.

The previous prime is 84089039. The next prime is 84089099. The reversal of 84089087 is 78098048.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84089087 - 2¹² = 84084991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84089287) 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, 9512 + ... + 16082.

It is an arithmetic number, because the mean of its divisors is an integer number (10725504).

Almost surely, 2^84089087 is an apocalyptic number.

84089087 is a deficient number, since it is larger than the sum of its proper divisors (1714945).

84089087 is a wasteful number, since it uses less digits than its factorization.

84089087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6829.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 84089087 is about 9170.0101962866. The cubic root of 84089087 is about 438.1066839785.

The spelling of 84089087 in words is "eighty-four million, eighty-nine thousand, eighty-seven".