7854739189 has 8 divisors (see below), whose sum is σ = 8570876832. Its totient is φ = 7138946640.

The previous prime is 7854739183. The next prime is 7854739267. The reversal of 7854739189 is 9819374587.

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 7854739189 - 2³ = 7854739181 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 (7854739181) 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, 37474 + ... + 130819.

It is an arithmetic number, because the mean of its divisors is an integer number (1071359604).

Almost surely, 2^7854739189 is an apocalyptic number.

It is an amenable number.

7854739189 is a deficient number, since it is larger than the sum of its proper divisors (716137643).

7854739189 is a wasteful number, since it uses less digits than its factorization.

7854739189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172547.

The product of its digits is 15240960, while the sum is 61.

The square root of 7854739189 is about 88626.9664887612. The cubic root of 7854739189 is about 1987.8209179404.

The spelling of 7854739189 in words is "seven billion, eight hundred fifty-four million, seven hundred thirty-nine thousand, one hundred eighty-nine".