71023639597 has 8 divisors (see below), whose sum is σ = 72053084480. Its totient is φ = 70000731360.

The previous prime is 71023639543. The next prime is 71023639633. The reversal of 71023639597 is 79593632017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71023639597 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 (71023639517) 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 7 ways as a sum of consecutive naturals, for example, 1612272 + ... + 1655737.

It is an arithmetic number, because the mean of its divisors is an integer number (9006635560).

Almost surely, 2^71023639597 is an apocalyptic number.

It is an amenable number.

71023639597 is a deficient number, since it is larger than the sum of its proper divisors (1029444883).

71023639597 is a wasteful number, since it uses less digits than its factorization.

71023639597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268323.

The product of its (nonzero) digits is 2143260, while the sum is 52.

The spelling of 71023639597 in words is "seventy-one billion, twenty-three million, six hundred thirty-nine thousand, five hundred ninety-seven".