71085427360757 has 8 divisors (see below), whose sum is σ = 71442292398720. Its totient is φ = 70729057627200.

The previous prime is 71085427360693. The next prime is 71085427360777. The reversal of 71085427360757 is 75706372458017.

It is a happy number.

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 71085427360757 - 2⁶ = 71085427360693 is a prime.

It is a super-2 number, since 2×71085427360757² (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 71085427360757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71085427360777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123538343 + ... + 124112420.

It is an arithmetic number, because the mean of its divisors is an integer number (8930286549840).

Almost surely, 2^{71085427360757} is an apocalyptic number.

It is an amenable number.

71085427360757 is a deficient number, since it is larger than the sum of its proper divisors (356865037963).

71085427360757 is a wasteful number, since it uses less digits than its factorization.

71085427360757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247652203.

The product of its (nonzero) digits is 69148800, while the sum is 62.

The spelling of 71085427360757 in words is "seventy-one trillion, eighty-five billion, four hundred twenty-seven million, three hundred sixty thousand, seven hundred fifty-seven".