873034215769 has 9 divisors (see below), whose sum is σ = 921420499167. Its totient is φ = 827068227984.

The previous prime is 873034215761. The next prime is 873034215791. The reversal of 873034215769 is 967512430378.

The square root of 873034215769 is 934363.

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

873034215769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 178958611225 + 694075604544 = 423035^2 + 833112^2 .

It is not a de Polignac number, because 873034215769 - 2³ = 873034215761 is a prime.

It is a super-2 number, since 2×873034215769² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (873034215761) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17728309 + ... + 17777485.

It is an arithmetic number, because the mean of its divisors is an integer number (102380055463).

It is a 1-persistent number, because it is pandigital, but 2⋅873034215769 = 1746068431538 is not.

Almost surely, 2^873034215769 is an apocalyptic number.

873034215769 is the 934363-rd square number.

873034215769 is the 467182-nd centered octagonal number.

It is an amenable number.

873034215769 is a deficient number, since it is larger than the sum of its proper divisors (48386283398).

873034215769 is an frugal number, since it uses more digits than its factorization.

873034215769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98392 (or 49196 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 873034215769 in words is "eight hundred seventy-three billion, thirty-four million, two hundred fifteen thousand, seven hundred sixty-nine".