260198789 has 8 divisors (see below), whose sum is σ = 261817920. Its totient is φ = 258584416.

The previous prime is 260198777. The next prime is 260198797. The reversal of 260198789 is 987891062.

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 260198789 - 2⁴ = 260198773 is a prime.

It is a super-3 number, since 3×260198789³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260198089) 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, 206042 + ... + 207300.

It is an arithmetic number, because the mean of its divisors is an integer number (32727240).

Almost surely, 2^260198789 is an apocalyptic number.

It is an amenable number.

260198789 is a deficient number, since it is larger than the sum of its proper divisors (1619131).

260198789 is a wasteful number, since it uses less digits than its factorization.

260198789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379.

The product of its (nonzero) digits is 435456, while the sum is 50.

The square root of 260198789 is about 16130.6785040184. The cubic root of 260198789 is about 638.4130514793.

The spelling of 260198789 in words is "two hundred sixty million, one hundred ninety-eight thousand, seven hundred eighty-nine".