71048231867 has 4 divisors (see below), whose sum is σ = 71081890176. Its totient is φ = 71014573560.

The previous prime is 71048231851. The next prime is 71048231873. The reversal of 71048231867 is 76813284017.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76813284017 = 103 ⋅745760039.

It is a cyclic number.

It is not a de Polignac number, because 71048231867 - 2⁴ = 71048231851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71048231827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16825988 + ... + 16830209.

It is an arithmetic number, because the mean of its divisors is an integer number (17770472544).

Almost surely, 2^71048231867 is an apocalyptic number.

71048231867 is a deficient number, since it is larger than the sum of its proper divisors (33658309).

71048231867 is a wasteful number, since it uses less digits than its factorization.

71048231867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33658308.

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 71048231867 in words is "seventy-one billion, forty-eight million, two hundred thirty-one thousand, eight hundred sixty-seven".