69996755761 has 9 divisors (see below), whose sum is σ = 73178773689. Its totient is φ = 66947598036.

The previous prime is 69996755711. The next prime is 69996755789. The reversal of 69996755761 is 16755769996.

The square root of 69996755761 is 264569.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 69996755761 - 2¹⁵ = 69996722993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69996755701) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6079336 + ... + 6090838.

Almost surely, 2^69996755761 is an apocalyptic number.

69996755761 is the 264569-th square number.

69996755761 is the 132285-th centered octagonal number.

It is an amenable number.

69996755761 is a deficient number, since it is larger than the sum of its proper divisors (3182017928).

69996755761 is an frugal number, since it uses more digits than its factorization.

69996755761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23052 (or 11526 counting only the distinct ones).

The product of its digits is 192893400, while the sum is 70.

The spelling of 69996755761 in words is "sixty-nine billion, nine hundred ninety-six million, seven hundred fifty-five thousand, seven hundred sixty-one".