873542081 has 16 divisors (see below), whose sum is σ = 927850560. Its totient is φ = 820108800.

The previous prime is 873542069. The next prime is 873542083. The reversal of 873542081 is 180245378.

It is a cyclic number.

It is not a de Polignac number, because 873542081 - 2¹⁰ = 873541057 is a prime.

It is a super-2 number, since 2×873542081² = 1526151534555621122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (873542083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1453181 + ... + 1453781.

It is an arithmetic number, because the mean of its divisors is an integer number (57990660).

Almost surely, 2^873542081 is an apocalyptic number.

It is an amenable number.

873542081 is a deficient number, since it is larger than the sum of its proper divisors (54308479).

873542081 is a wasteful number, since it uses less digits than its factorization.

873542081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 873542081 is about 29555.7453128829. The cubic root of 873542081 is about 955.9340772718.

The spelling of 873542081 in words is "eight hundred seventy-three million, five hundred forty-two thousand, eighty-one".