71735460087 has 4 divisors (see below), whose sum is σ = 95647280120. Its totient is φ = 47823640056.

The previous prime is 71735460077. The next prime is 71735460143. The reversal of 71735460087 is 78006453717.

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

It is a de Polignac number, because none of the positive numbers 2^k-71735460087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71735460077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11955910012 + ... + 11955910017.

It is an arithmetic number, because the mean of its divisors is an integer number (23911820030).

Almost surely, 2^71735460087 is an apocalyptic number.

71735460087 is a deficient number, since it is larger than the sum of its proper divisors (23911820033).

71735460087 is a wasteful number, since it uses less digits than its factorization.

71735460087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23911820032.

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 71735460087 in words is "seventy-one billion, seven hundred thirty-five million, four hundred sixty thousand, eighty-seven".