873585729340 has 12 divisors (see below), whose sum is σ = 1834530031656. Its totient is φ = 349434291728.

The previous prime is 873585729323. The next prime is 873585729349. The reversal of 873585729340 is 43927585378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873585729349) 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, 21839643214 + ... + 21839643253.

It is an arithmetic number, because the mean of its divisors is an integer number (152877502638).

Almost surely, 2^873585729340 is an apocalyptic number.

It is an amenable number.

873585729340 is an abundant number, since it is smaller than the sum of its proper divisors (960944302316).

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

873585729340 is a wasteful number, since it uses less digits than its factorization.

873585729340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43679286476 (or 43679286474 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 61.

The spelling of 873585729340 in words is "eight hundred seventy-three billion, five hundred eighty-five million, seven hundred twenty-nine thousand, three hundred forty".