873009011 has 16 divisors (see below), whose sum is σ = 1065431040. Its totient is φ = 699179040.

The previous prime is 873009001. The next prime is 873009031. The reversal of 873009011 is 110900378.

It is a de Polignac number, because none of the positive numbers 2^k-873009011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (873009001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63071 + ... + 75656.

It is an arithmetic number, because the mean of its divisors is an integer number (66589440).

Almost surely, 2^873009011 is an apocalyptic number.

873009011 is a deficient number, since it is larger than the sum of its proper divisors (192422029).

873009011 is a wasteful number, since it uses less digits than its factorization.

873009011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138794.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 873009011 is about 29546.7258930664. The cubic root of 873009011 is about 955.7395880842.

Adding to 873009011 its reverse (110900378), we get a palindrome (983909389).

The spelling of 873009011 in words is "eight hundred seventy-three million, nine thousand, eleven".