71761348287 has 6 divisors (see below), whose sum is σ = 103655280872. Its totient is φ = 47840898852.

The previous prime is 71761348261. The next prime is 71761348343. The reversal of 71761348287 is 78284316717.

71761348287 is a `hidden beast` number, since 7 + 1 + 76 + 13 + 482 + 87 = 666.

It is not a de Polignac number, because 71761348287 - 2⁶ = 71761348223 is a prime.

It is a super-2 number, since 2×71761348287² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71761348247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3986741563 + ... + 3986741580.

Almost surely, 2^71761348287 is an apocalyptic number.

71761348287 is a deficient number, since it is larger than the sum of its proper divisors (31893932585).

71761348287 is a wasteful number, since it uses less digits than its factorization.

71761348287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7973483149 (or 7973483146 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 54.

The spelling of 71761348287 in words is "seventy-one billion, seven hundred sixty-one million, three hundred forty-eight thousand, two hundred eighty-seven".