539847897 has 8 divisors (see below), whose sum is σ = 726401280. Its totient is φ = 356596560.

The previous prime is 539847863. The next prime is 539847899. The reversal of 539847897 is 798748935.

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

It is not a de Polignac number, because 539847897 - 2⁷ = 539847769 is a prime.

It is a super-3 number, since 3×539847897³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 539847897.

It is not an unprimeable number, because it can be changed into a prime (539847899) 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, 825129 + ... + 825782.

It is an arithmetic number, because the mean of its divisors is an integer number (90800160).

Almost surely, 2^539847897 is an apocalyptic number.

It is an amenable number.

539847897 is a deficient number, since it is larger than the sum of its proper divisors (186553383).

539847897 is a wasteful number, since it uses less digits than its factorization.

539847897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651023.

The product of its digits is 15240960, while the sum is 60.

The square root of 539847897 is about 23234.6271112751. The cubic root of 539847897 is about 814.2488201945.

The spelling of 539847897 in words is "five hundred thirty-nine million, eight hundred forty-seven thousand, eight hundred ninety-seven".