71036740762487 has 2 divisors, whose sum is σ = 71036740762488. Its totient is φ = 71036740762486.

The previous prime is 71036740762441. The next prime is 71036740762501. The reversal of 71036740762487 is 78426704763017.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71036740762487 - 2²⁶ = 71036673653623 is a prime.

It is a super-2 number, since 2×71036740762487² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71036740762787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35518370381243 + 35518370381244.

It is an arithmetic number, because the mean of its divisors is an integer number (35518370381244).

Almost surely, 2^{71036740762487} is an apocalyptic number.

71036740762487 is a deficient number, since it is larger than the sum of its proper divisors (1).

71036740762487 is an equidigital number, since it uses as much as digits as its factorization.

71036740762487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 66382848, while the sum is 62.

The spelling of 71036740762487 in words is "seventy-one trillion, thirty-six billion, seven hundred forty million, seven hundred sixty-two thousand, four hundred eighty-seven".