71352853987 has 4 divisors (see below), whose sum is σ = 71355388096. Its totient is φ = 71350319880.

The previous prime is 71352853933. The next prime is 71352853997. The reversal of 71352853987 is 78935825317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78935825317 = 1579 ⋅49991023.

It is a cyclic number.

It is not a de Polignac number, because 71352853987 - 2¹¹ = 71352851939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71352853997) 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, 1224339 + ... + 1281292.

It is an arithmetic number, because the mean of its divisors is an integer number (17838847024).

Almost surely, 2^71352853987 is an apocalyptic number.

71352853987 is a deficient number, since it is larger than the sum of its proper divisors (2534109).

71352853987 is a wasteful number, since it uses less digits than its factorization.

71352853987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534108.

The product of its digits is 12700800, while the sum is 58.

The spelling of 71352853987 in words is "seventy-one billion, three hundred fifty-two million, eight hundred fifty-three thousand, nine hundred eighty-seven".