71828686425 has 12 divisors (see below), whose sum is σ = 118756761680. Its totient is φ = 38308632720.

The previous prime is 71828686409. The next prime is 71828686507. The reversal of 71828686425 is 52468682817.

It is not a de Polignac number, because 71828686425 - 2⁴ = 71828686409 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 478857835 + ... + 478857984.

Almost surely, 2^71828686425 is an apocalyptic number.

71828686425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

71828686425 is a deficient number, since it is larger than the sum of its proper divisors (46928075255).

71828686425 is a wasteful number, since it uses less digits than its factorization.

71828686425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957715832 (or 957715827 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 57.

The spelling of 71828686425 in words is "seventy-one billion, eight hundred twenty-eight million, six hundred eighty-six thousand, four hundred twenty-five".