71000076663 has 64 divisors (see below), whose sum is σ = 109521561600. Its totient is φ = 45426199680.

The previous prime is 71000076659. The next prime is 71000076673. The reversal of 71000076663 is 36667000017.

It is not a de Polignac number, because 71000076663 - 2² = 71000076659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71000076673) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28872328 + ... + 28874786.

It is an arithmetic number, because the mean of its divisors is an integer number (1711274400).

Almost surely, 2^71000076663 is an apocalyptic number.

71000076663 is a deficient number, since it is larger than the sum of its proper divisors (38521484937).

71000076663 is a wasteful number, since it uses less digits than its factorization.

71000076663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949 (or 2943 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The spelling of 71000076663 in words is "seventy-one billion, seventy-six thousand, six hundred sixty-three".