86101751761 has 3 divisors (see below), whose sum is σ = 86102045193. Its totient is φ = 86101458330.

The previous prime is 86101751741. The next prime is 86101751777. The reversal of 86101751761 is 16715710168.

It is a happy number.

The square root of 86101751761 is 293431.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-86101751761 is a prime.

It is a super-2 number, since 2×86101751761² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86101751731) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 146716 + ... + 440146.

It is an arithmetic number, because the mean of its divisors is an integer number (28700681731).

Almost surely, 2^86101751761 is an apocalyptic number.

86101751761 is the 293431-st square number.

86101751761 is the 146716-th centered octagonal number.

It is an amenable number.

86101751761 is a deficient number, since it is larger than the sum of its proper divisors (293432).

86101751761 is an frugal number, since it uses more digits than its factorization.

86101751761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586862 (or 293431 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 43.

The spelling of 86101751761 in words is "eighty-six billion, one hundred one million, seven hundred fifty-one thousand, seven hundred sixty-one".