67799812248 has 96 divisors (see below), whose sum is σ = 210245312160. Its totient is φ = 19335490560.

The previous prime is 67799812207. The next prime is 67799812261. The reversal of 67799812248 is 84221899776.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148336 + ... + 396992.

It is an arithmetic number, because the mean of its divisors is an integer number (2190055335).

Almost surely, 2^67799812248 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 67799812248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105122656080).

67799812248 is an abundant number, since it is smaller than the sum of its proper divisors (142445499912).

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

67799812248 is a wasteful number, since it uses less digits than its factorization.

67799812248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249217 (or 249210 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The spelling of 67799812248 in words is "sixty-seven billion, seven hundred ninety-nine million, eight hundred twelve thousand, two hundred forty-eight".