69677067697 has 8 divisors (see below), whose sum is σ = 74092356936. Its totient is φ = 65296960512.

The previous prime is 69677067683. The next prime is 69677067739. The reversal of 69677067697 is 79676077696.

It can be written as a sum of positive squares in 4 ways, for example, as 28175636736 + 41501430961 = 167856^2 + 203719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 69677067697 - 2³⁵ = 35317329329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69677064697) by changing a digit.

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, 8791428 + ... + 8799349.

It is an arithmetic number, because the mean of its divisors is an integer number (9261544617).

Almost surely, 2^69677067697 is an apocalyptic number.

It is an amenable number.

69677067697 is a deficient number, since it is larger than the sum of its proper divisors (4415289239).

69677067697 is a wasteful number, since it uses less digits than its factorization.

69677067697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17591027.

The product of its (nonzero) digits is 252047376, while the sum is 70.

Subtracting 69677067697 from its reverse (79676077696), we obtain a palindrome (9999009999).

It can be divided in two parts, 696770 and 67697, that added together give a palindrome (764467).

The spelling of 69677067697 in words is "sixty-nine billion, six hundred seventy-seven million, sixty-seven thousand, six hundred ninety-seven".