71219876206 has 4 divisors (see below), whose sum is σ = 106829814312. Its totient is φ = 35609938102.

The previous prime is 71219876201. The next prime is 71219876219. The reversal of 71219876206 is 60267891217.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 71219876206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71219876201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17804969050 + ... + 17804969053.

It is an arithmetic number, because the mean of its divisors is an integer number (26707453578).

Almost surely, 2^71219876206 is an apocalyptic number.

71219876206 is a deficient number, since it is larger than the sum of its proper divisors (35609938106).

71219876206 is a wasteful number, since it uses less digits than its factorization.

71219876206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35609938105.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 71219876206 in words is "seventy-one billion, two hundred nineteen million, eight hundred seventy-six thousand, two hundred six".