69008782804 has 24 divisors (see below), whose sum is σ = 133227091368. Its totient is φ = 31073372160.

The previous prime is 69008782753. The next prime is 69008782813. The reversal of 69008782804 is 40828780096.

It can be written as a sum of positive squares in 4 ways, for example, as 18507204 + 68990275600 = 4302^2 + 262660^2 .

It is a super-2 number, since 2×69008782804² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

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 7 ways as a sum of consecutive naturals, for example, 16181917 + ... + 16186180.

It is an arithmetic number, because the mean of its divisors is an integer number (5551128807).

Almost surely, 2^69008782804 is an apocalyptic number.

It is an amenable number.

69008782804 is a deficient number, since it is larger than the sum of its proper divisors (64218308564).

69008782804 is a wasteful number, since it uses less digits than its factorization.

69008782804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32368155 (or 32368153 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 69008782804 in words is "sixty-nine billion, eight million, seven hundred eighty-two thousand, eight hundred four".