69696678081 has 16 divisors (see below), whose sum is σ = 98405798400. Its totient is φ = 43726587648.

The previous prime is 69696678071. The next prime is 69696678113. The reversal of 69696678081 is 18087669696.

It is not a de Polignac number, because 69696678081 - 2²⁷ = 69562460353 is a prime.

It is a super-2 number, since 2×69696678081² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (69696678001) 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 15 ways as a sum of consecutive naturals, for example, 446235 + ... + 581823.

It is an arithmetic number, because the mean of its divisors is an integer number (6150362400).

Almost surely, 2^69696678081 is an apocalyptic number.

It is an amenable number.

69696678081 is a deficient number, since it is larger than the sum of its proper divisors (28709120319).

69696678081 is a wasteful number, since it uses less digits than its factorization.

69696678081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145688.

The product of its (nonzero) digits is 47029248, while the sum is 66.

The spelling of 69696678081 in words is "sixty-nine billion, six hundred ninety-six million, six hundred seventy-eight thousand, eighty-one".