873366981 has 16 divisors (see below), whose sum is σ = 1200549504. Its totient is φ = 564335424.

The previous prime is 873366961. The next prime is 873367007. The reversal of 873366981 is 189663378.

It is not a de Polignac number, because 873366981 - 2⁷ = 873366853 is a prime.

It is a super-2 number, since 2×873366981² = 1525539767002108722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873366931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14235 + ... + 44151.

It is an arithmetic number, because the mean of its divisors is an integer number (75034344).

Almost surely, 2^873366981 is an apocalyptic number.

It is an amenable number.

873366981 is a deficient number, since it is larger than the sum of its proper divisors (327182523).

873366981 is a wasteful number, since it uses less digits than its factorization.

873366981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30220.

The product of its digits is 1306368, while the sum is 51.

The square root of 873366981 is about 29552.7829653994. The cubic root of 873366981 is about 955.8702012260.

The spelling of 873366981 in words is "eight hundred seventy-three million, three hundred sixty-six thousand, nine hundred eighty-one".