94643993808 has 840 divisors, whose sum is σ = 359138114880. Its totient is φ = 23647313664.

The previous prime is 94643993791. The next prime is 94643993809. The reversal of 94643993808 is 80839934649.

94643993808 is a `hidden beast` number, since 9 + 464 + 3 + 9 + 93 + 80 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94643993809) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 4981262823 + ... + 4981262841.

Almost surely, 2^94643993808 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 94643993808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179569057440).

94643993808 is an abundant number, since it is smaller than the sum of its proper divisors (264494121072).

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

94643993808 is an equidigital number, since it uses as much as digits as its factorization.

94643993808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 94643993808 in words is "ninety-four billion, six hundred forty-three million, nine hundred ninety-three thousand, eight hundred eight".