71571677675 has 12 divisors (see below), whose sum is σ = 90913488456. Its totient is φ = 55860820800.

The previous prime is 71571677647. The next prime is 71571677699. The reversal of 71571677675 is 57677617517.

It is a de Polignac number, because none of the positive numbers 2^k-71571677675 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34911989 + ... + 34914038.

It is an arithmetic number, because the mean of its divisors is an integer number (7576124038).

Almost surely, 2^71571677675 is an apocalyptic number.

71571677675 is a deficient number, since it is larger than the sum of its proper divisors (19341810781).

71571677675 is a wasteful number, since it uses less digits than its factorization.

71571677675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69826078 (or 69826073 counting only the distinct ones).

The product of its digits is 15126300, while the sum is 59.

The spelling of 71571677675 in words is "seventy-one billion, five hundred seventy-one million, six hundred seventy-seven thousand, six hundred seventy-five".