71295012827 has 4 divisors (see below), whose sum is σ = 71593318560. Its totient is φ = 70996707096.

The previous prime is 71295012799. The next prime is 71295012911. The reversal of 71295012827 is 72821059217.

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

It is a cyclic number.

It is not a de Polignac number, because 71295012827 - 2⁸ = 71295012571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71295012227) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 149152508 + ... + 149152985.

It is an arithmetic number, because the mean of its divisors is an integer number (17898329640).

Almost surely, 2^71295012827 is an apocalyptic number.

71295012827 is a deficient number, since it is larger than the sum of its proper divisors (298305733).

71295012827 is a wasteful number, since it uses less digits than its factorization.

71295012827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298305732.

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 71295012827 in words is "seventy-one billion, two hundred ninety-five million, twelve thousand, eight hundred twenty-seven".