71379533606687 has 8 divisors (see below), whose sum is σ = 75590144468496. Its totient is φ = 67170235496832.

The previous prime is 71379533606659. The next prime is 71379533606737. The reversal of 71379533606687 is 78660633597317.

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

It is a cyclic number.

It is not a de Polignac number, because 71379533606687 - 2²⁴ = 71379516829471 is a prime.

It is a super-2 number, since 2×71379533606687² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71379533606687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71379533606627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328076033 + ... + 328293530.

It is an arithmetic number, because the mean of its divisors is an integer number (9448768058562).

Almost surely, 2^{71379533606687} is an apocalyptic number.

71379533606687 is a deficient number, since it is larger than the sum of its proper divisors (4210610861809).

71379533606687 is a wasteful number, since it uses less digits than its factorization.

71379533606687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656375977.

The product of its (nonzero) digits is 720135360, while the sum is 71.

The spelling of 71379533606687 in words is "seventy-one trillion, three hundred seventy-nine billion, five hundred thirty-three million, six hundred six thousand, six hundred eighty-seven".