84854491008 has 512 divisors, whose sum is σ = 280223539200. Its totient is φ = 22225674240.

The previous prime is 84854490991. The next prime is 84854491019. The reversal of 84854491008 is 80019445848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 156847218 + ... + 156847758.

It is an arithmetic number, because the mean of its divisors is an integer number (547311600).

Almost surely, 2^84854491008 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 84854491008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140111769600).

84854491008 is an abundant number, since it is smaller than the sum of its proper divisors (195369048192).

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

84854491008 is a wasteful number, since it uses less digits than its factorization.

84854491008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 51.

The spelling of 84854491008 in words is "eighty-four billion, eight hundred fifty-four million, four hundred ninety-one thousand, eight".