84995485680 has 80 divisors (see below), whose sum is σ = 301126869504. Its totient is φ = 19427539200.

The previous prime is 84995485651. The next prime is 84995485681. The reversal of 84995485680 is 8658459948.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84995485681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25294596 + ... + 25297955.

Almost surely, 2^84995485680 is an apocalyptic number.

84995485680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84995485680 is an abundant number, since it is smaller than the sum of its proper divisors (216131383824).

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

84995485680 is a wasteful number, since it uses less digits than its factorization.

84995485680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50592574 (or 50592568 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 66.

The spelling of 84995485680 in words is "eighty-four billion, nine hundred ninety-five million, four hundred eighty-five thousand, six hundred eighty".