69469775872 has 288 divisors, whose sum is σ = 169044744960. Its totient is φ = 28426567680.

The previous prime is 69469775827. The next prime is 69469775983. The reversal of 69469775872 is 27857796496.

It is a happy number.

It is a super-3 number, since 3×69469775872³ (a number of 34 digits) contains 333 as substring.

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 23 ways as a sum of consecutive naturals, for example, 426194863 + ... + 426195025.

It is an arithmetic number, because the mean of its divisors is an integer number (586960920).

Almost surely, 2^69469775872 is an apocalyptic number.

69469775872 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69469775872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84522372480).

69469775872 is an abundant number, since it is smaller than the sum of its proper divisors (99574969088).

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

69469775872 is a wasteful number, since it uses less digits than its factorization.

69469775872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 340 counting only the distinct ones).

The product of its digits is 320060160, while the sum is 70.

The spelling of 69469775872 in words is "sixty-nine billion, four hundred sixty-nine million, seven hundred seventy-five thousand, eight hundred seventy-two".