69905479327 has 4 divisors (see below), whose sum is σ = 69912068056. Its totient is φ = 69898890600.

The previous prime is 69905479313. The next prime is 69905479333. The reversal of 69905479327 is 72397450996.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 69905479327 - 2²³ = 69897090719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69905479367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3278424 + ... + 3299677.

It is an arithmetic number, because the mean of its divisors is an integer number (17478017014).

Almost surely, 2^69905479327 is an apocalyptic number.

69905479327 is a deficient number, since it is larger than the sum of its proper divisors (6588729).

69905479327 is a wasteful number, since it uses less digits than its factorization.

69905479327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6588728.

The product of its (nonzero) digits is 25719120, while the sum is 61.

The spelling of 69905479327 in words is "sixty-nine billion, nine hundred five million, four hundred seventy-nine thousand, three hundred twenty-seven".