84666004864 has 64 divisors (see below), whose sum is σ = 192813292800. Its totient is φ = 36276595200.

The previous prime is 84666004853. The next prime is 84666004877. The reversal of 84666004864 is 46840066648.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4785667 + ... + 4803325.

It is an arithmetic number, because the mean of its divisors is an integer number (3012707700).

Almost surely, 2^84666004864 is an apocalyptic number.

It is an amenable number.

84666004864 is an abundant number, since it is smaller than the sum of its proper divisors (108147287936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84666004864 is a wasteful number, since it uses less digits than its factorization.

84666004864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23031 (or 23019 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 52.

The spelling of 84666004864 in words is "eighty-four billion, six hundred sixty-six million, four thousand, eight hundred sixty-four".