873156340 has 96 divisors (see below), whose sum is σ = 2189456640. Its totient is φ = 286239744.

The previous prime is 873156301. The next prime is 873156359. The reversal of 873156340 is 43651378.

873156340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 873156340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304192 + ... + 307048.

It is an arithmetic number, because the mean of its divisors is an integer number (22806840).

Almost surely, 2^873156340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 873156340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1094728320).

873156340 is an abundant number, since it is smaller than the sum of its proper divisors (1316300300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

873156340 is a wasteful number, since it uses less digits than its factorization.

873156340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969 (or 2967 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 873156340 is about 29549.2189406082. The cubic root of 873156340 is about 955.7933485975.

The spelling of 873156340 in words is "eight hundred seventy-three million, one hundred fifty-six thousand, three hundred forty".