71798547814 has 24 divisors (see below), whose sum is σ = 127334939328. Its totient is φ = 30266364240.

The previous prime is 71798547809. The next prime is 71798547833. The reversal of 71798547814 is 41874589717.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5999254 + ... + 6011209.

It is an arithmetic number, because the mean of its divisors is an integer number (5305622472).

Almost surely, 2^71798547814 is an apocalyptic number.

71798547814 is a deficient number, since it is larger than the sum of its proper divisors (55536391514).

71798547814 is a wasteful number, since it uses less digits than its factorization.

71798547814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12010540 (or 12010533 counting only the distinct ones).

The product of its digits is 15805440, while the sum is 61.

The spelling of 71798547814 in words is "seventy-one billion, seven hundred ninety-eight million, five hundred forty-seven thousand, eight hundred fourteen".