84648819 has 8 divisors (see below), whose sum is σ = 118805440. Its totient is φ = 53462376.

The previous prime is 84648787. The next prime is 84648847. The reversal of 84648819 is 91884648.

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

It is not a de Polignac number, because 84648819 - 2⁵ = 84648787 is a prime.

It is a super-2 number, since 2×84648819² = 14330845116189522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84648719) 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, 742477 + ... + 742590.

It is an arithmetic number, because the mean of its divisors is an integer number (14850680).

Almost surely, 2^84648819 is an apocalyptic number.

84648819 is a deficient number, since it is larger than the sum of its proper divisors (34156621).

84648819 is a wasteful number, since it uses less digits than its factorization.

84648819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485089.

The product of its digits is 442368, while the sum is 48.

The square root of 84648819 is about 9200.4792809940. The cubic root of 84648819 is about 439.0766086212.

The spelling of 84648819 in words is "eighty-four million, six hundred forty-eight thousand, eight hundred nineteen".