71387582866 has 8 divisors (see below), whose sum is σ = 107110024560. Its totient is φ = 35684241348.

The previous prime is 71387582821. The next prime is 71387582879. The reversal of 71387582866 is 66828578317.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4765696 + ... + 4780651.

It is an arithmetic number, because the mean of its divisors is an integer number (13388753070).

Almost surely, 2^71387582866 is an apocalyptic number.

71387582866 is a deficient number, since it is larger than the sum of its proper divisors (35722441694).

71387582866 is a wasteful number, since it uses less digits than its factorization.

71387582866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9550088.

The product of its digits is 27095040, while the sum is 61.

The spelling of 71387582866 in words is "seventy-one billion, three hundred eighty-seven million, five hundred eighty-two thousand, eight hundred sixty-six".