69788320499898 has 288 divisors, whose sum is σ = 211157286552576. Its totient is φ = 16192706112000.

The previous prime is 69788320499869. The next prime is 69788320499917. The reversal of 69788320499898 is 89899402388796.

It is a happy number.

69788320499898 is a `hidden beast` number, since 6 + 9 + 7 + 8 + 8 + 3 + 20 + 499 + 8 + 98 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 464878 + ... + 11823398.

It is an arithmetic number, because the mean of its divisors is an integer number (733185022752).

Almost surely, 2^{69788320499898} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69788320499898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105578643276288).

69788320499898 is an abundant number, since it is smaller than the sum of its proper divisors (141368966052678).

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

69788320499898 is a wasteful number, since it uses less digits than its factorization.

69788320499898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11358602 (or 11358588 counting only the distinct ones).

The product of its (nonzero) digits is 27088846848, while the sum is 90.

The spelling of 69788320499898 in words is "sixty-nine trillion, seven hundred eighty-eight billion, three hundred twenty million, four hundred ninety-nine thousand, eight hundred ninety-eight".