84655455648 has 96 divisors (see below), whose sum is σ = 225492212736. Its totient is φ = 27803824128.

The previous prime is 84655455623. The next prime is 84655455659.

84655455648 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 84655455591 and 84655455600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7612140 + ... + 7623252.

It is an arithmetic number, because the mean of its divisors is an integer number (2348877216).

Almost surely, 2^84655455648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84655455648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112746106368).

84655455648 is an abundant number, since it is smaller than the sum of its proper divisors (140836757088).

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

84655455648 is a wasteful number, since it uses less digits than its factorization.

84655455648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12286 (or 12278 counting only the distinct ones).

The product of its digits is 92160000, while the sum is 60.

The spelling of 84655455648 in words is "eighty-four billion, six hundred fifty-five million, four hundred fifty-five thousand, six hundred forty-eight".