84729998808 has 320 divisors, whose sum is σ = 301517905920. Its totient is φ = 21625056000.

The previous prime is 84729998711. The next prime is 84729998831. The reversal of 84729998808 is 80889992748.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1804833 + ... + 1851183.

It is an arithmetic number, because the mean of its divisors is an integer number (942243456).

Almost surely, 2^84729998808 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 84729998808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150758952960).

84729998808 is an abundant number, since it is smaller than the sum of its proper divisors (216787907112).

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

84729998808 is a wasteful number, since it uses less digits than its factorization.

84729998808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46420 (or 46407 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 72.

The spelling of 84729998808 in words is "eighty-four billion, seven hundred twenty-nine million, nine hundred ninety-eight thousand, eight hundred eight".