69886775808 has 320 divisors, whose sum is σ = 214221110400. Its totient is φ = 22481141760.

The previous prime is 69886775737. The next prime is 69886775857. The reversal of 69886775808 is 80857768896.

It is a super-2 number, since 2×69886775808² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52903788 + ... + 52905108.

It is an arithmetic number, because the mean of its divisors is an integer number (669440970).

Almost surely, 2^69886775808 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 69886775808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107110555200).

69886775808 is an abundant number, since it is smaller than the sum of its proper divisors (144334334592).

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

69886775808 is a wasteful number, since it uses less digits than its factorization.

69886775808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480 (or 1458 counting only the distinct ones).

The product of its (nonzero) digits is 325140480, while the sum is 72.

The spelling of 69886775808 in words is "sixty-nine billion, eight hundred eighty-six million, seven hundred seventy-five thousand, eight hundred eight".