873839062081 has 4 divisors (see below), whose sum is σ = 873841440964. Its totient is φ = 873836683200.

The previous prime is 873839062013. The next prime is 873839062127. The reversal of 873839062081 is 180260938378.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 515977875856 + 357861186225 = 718316^2 + 598215^2 .

It is a cyclic number.

It is not a de Polignac number, because 873839062081 - 2²⁵ = 873805507649 is a prime.

It is a super-2 number, since 2×873839062081² (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 (873839062781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508500 + ... + 1416421.

It is an arithmetic number, because the mean of its divisors is an integer number (218460360241).

Almost surely, 2^873839062081 is an apocalyptic number.

It is an amenable number.

873839062081 is a deficient number, since it is larger than the sum of its proper divisors (2378883).

873839062081 is a wasteful number, since it uses less digits than its factorization.

873839062081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378882.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 873839062081 in words is "eight hundred seventy-three billion, eight hundred thirty-nine million, sixty-two thousand, eighty-one".