92089184808721 has 27 divisors (see below), whose sum is σ = 97844487984369. Its totient is φ = 86659755182208.

The previous prime is 92089184808697. The next prime is 92089184808749. The reversal of 92089184808721 is 12780848198029.

The square root of 92089184808721 is 9596311.

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

It can be written as a sum of positive squares in 4 ways, for example, as 5787685989121 + 86301498819600 = 2405761^2 + 9289860^2 .

It is not a de Polignac number, because 92089184808721 - 2¹¹ = 92089184806673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (92089184808821) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 28625794105 + ... + 28625797321.

It is an arithmetic number, because the mean of its divisors is an integer number (3623869925347).

Almost surely, 2^{92089184808721} is an apocalyptic number.

92089184808721 is the 9596311-st square number.

92089184808721 is the 4798156-th centered octagonal number.

It is an amenable number.

92089184808721 is a deficient number, since it is larger than the sum of its proper divisors (5755303175648).

92089184808721 is an frugal number, since it uses more digits than its factorization.

92089184808721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786 (or 3393 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 67.

The spelling of 92089184808721 in words is "ninety-two trillion, eighty-nine billion, one hundred eighty-four million, eight hundred eight thousand, seven hundred twenty-one".