69900081008 has 80 divisors (see below), whose sum is σ = 144568128000. Its totient is φ = 32645223936.

The previous prime is 69900080981. The next prime is 69900081019. The reversal of 69900081008 is 80018000996.

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 15 ways as a sum of consecutive naturals, for example, 21780908 + ... + 21784116.

It is an arithmetic number, because the mean of its divisors is an integer number (1807101600).

Almost surely, 2^69900081008 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 69900081008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72284064000).

69900081008 is an abundant number, since it is smaller than the sum of its proper divisors (74668046992).

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

69900081008 is a wasteful number, since it uses less digits than its factorization.

69900081008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4222 (or 4216 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 41.

The spelling of 69900081008 in words is "sixty-nine billion, nine hundred million, eighty-one thousand, eight".