69875906990761 has 9 divisors (see below), whose sum is σ = 72202947932829. Its totient is φ = 67621594699500.

The previous prime is 69875906990759. The next prime is 69875906990783. The reversal of 69875906990761 is 16709960957896.

The square root of 69875906990761 is 8359181.

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

69875906990761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 69875906990761 - 2¹ = 69875906990759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69875906997761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 258999786 + ... + 259269436.

Almost surely, 2^{69875906990761} is an apocalyptic number.

69875906990761 is the 8359181-st square number.

69875906990761 is the 4179591-st centered octagonal number.

It is an amenable number.

69875906990761 is a deficient number, since it is larger than the sum of its proper divisors (2327040942068).

69875906990761 is an frugal number, since it uses more digits than its factorization.

69875906990761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539364 (or 269682 counting only the distinct ones).

The product of its (nonzero) digits is 2777664960, while the sum is 82.

The spelling of 69875906990761 in words is "sixty-nine trillion, eight hundred seventy-five billion, nine hundred six million, nine hundred ninety thousand, seven hundred sixty-one".