873840109 has 8 divisors (see below), whose sum is σ = 894852992. Its totient is φ = 852858720.

The previous prime is 873840101. The next prime is 873840119. The reversal of 873840109 is 901048378.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 873840109 - 2³ = 873840101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873840101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54049 + ... + 68329.

It is an arithmetic number, because the mean of its divisors is an integer number (111856624).

Almost surely, 2^873840109 is an apocalyptic number.

It is an amenable number.

873840109 is a deficient number, since it is larger than the sum of its proper divisors (21012883).

873840109 is a wasteful number, since it uses less digits than its factorization.

873840109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15747.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 873840109 is about 29560.7866776241. The cubic root of 873840109 is about 956.0427775219.

The spelling of 873840109 in words is "eight hundred seventy-three million, eight hundred forty thousand, one hundred nine".