71286980546 has 8 divisors (see below), whose sum is σ = 106999064640. Its totient is φ = 35620625668.

The previous prime is 71286980537. The next prime is 71286980561. The reversal of 71286980546 is 64508968217.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 71286980491 and 71286980500.

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 3 ways as a sum of consecutive naturals, for example, 11428406 + ... + 11434641.

It is an arithmetic number, because the mean of its divisors is an integer number (13374883080).

Almost surely, 2^71286980546 is an apocalyptic number.

71286980546 is a deficient number, since it is larger than the sum of its proper divisors (35712084094).

71286980546 is a wasteful number, since it uses less digits than its factorization.

71286980546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22864608.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 71286980546 in words is "seventy-one billion, two hundred eighty-six million, nine hundred eighty thousand, five hundred forty-six".