255415847 has 8 divisors (see below), whose sum is σ = 271365600. Its totient is φ = 239942304.

The previous prime is 255415799. The next prime is 255415861. The reversal of 255415847 is 748514552.

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 255415847 - 2¹⁰ = 255414823 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 (255415877) 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, 117947 + ... + 120092.

It is an arithmetic number, because the mean of its divisors is an integer number (33920700).

Almost surely, 2^255415847 is an apocalyptic number.

255415847 is a deficient number, since it is larger than the sum of its proper divisors (15949753).

255415847 is a wasteful number, since it uses less digits than its factorization.

255415847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238105.

The product of its digits is 224000, while the sum is 41.

The square root of 255415847 is about 15981.7347931944. The cubic root of 255415847 is about 634.4770919904.

The spelling of 255415847 in words is "two hundred fifty-five million, four hundred fifteen thousand, eight hundred forty-seven".