71828685465 has 8 divisors (see below), whose sum is σ = 114925896768. Its totient is φ = 38308632240.

The previous prime is 71828685457. The next prime is 71828685479. The reversal of 71828685465 is 56458682817.

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

It is not a de Polignac number, because 71828685465 - 2³ = 71828685457 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 71828685399 and 71828685408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2394289501 + ... + 2394289530.

It is an arithmetic number, because the mean of its divisors is an integer number (14365737096).

Almost surely, 2^71828685465 is an apocalyptic number.

It is an amenable number.

71828685465 is a deficient number, since it is larger than the sum of its proper divisors (43097211303).

71828685465 is a wasteful number, since it uses less digits than its factorization.

71828685465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4788579039.

The product of its digits is 25804800, while the sum is 60.

The spelling of 71828685465 in words is "seventy-one billion, eight hundred twenty-eight million, six hundred eighty-five thousand, four hundred sixty-five".