84660886 has 4 divisors (see below), whose sum is σ = 126991332. Its totient is φ = 42330442.

The previous prime is 84660883. The next prime is 84660887. The reversal of 84660886 is 68806648.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84660883) by changing a digit.

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, 21165220 + ... + 21165223.

It is an arithmetic number, because the mean of its divisors is an integer number (31747833).

Almost surely, 2^84660886 is an apocalyptic number.

84660886 is a deficient number, since it is larger than the sum of its proper divisors (42330446).

84660886 is a wasteful number, since it uses less digits than its factorization.

84660886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42330445.

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 84660886 is about 9201.1350386787. The cubic root of 84660886 is about 439.0974716241.

The spelling of 84660886 in words is "eighty-four million, six hundred sixty thousand, eight hundred eighty-six".