84479080140 has 288 divisors, whose sum is σ = 329253140160. Its totient is φ = 17824084992.

The previous prime is 84479080121. The next prime is 84479080181. The reversal of 84479080140 is 4108097448.

84479080140 is a `hidden beast` number, since 8 + 447 + 90 + 80 + 1 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 221184 + ... + 466776.

It is an arithmetic number, because the mean of its divisors is an integer number (1143240070).

Almost surely, 2^84479080140 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 84479080140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164626570080).

84479080140 is an abundant number, since it is smaller than the sum of its proper divisors (244774060020).

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

84479080140 is a wasteful number, since it uses less digits than its factorization.

84479080140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245638 (or 245623 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 84479080140 in words is "eighty-four billion, four hundred seventy-nine million, eighty thousand, one hundred forty".