255825838607 has 4 divisors (see below), whose sum is σ = 257778707736. Its totient is φ = 253872969480.

The previous prime is 255825838573. The next prime is 255825838621. The reversal of 255825838607 is 706838528552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255825838607 - 2¹⁰ = 255825837583 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 (255825837607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976434368 + ... + 976434629.

It is an arithmetic number, because the mean of its divisors is an integer number (64444676934).

Almost surely, 2^255825838607 is an apocalyptic number.

255825838607 is a deficient number, since it is larger than the sum of its proper divisors (1952869129).

255825838607 is a wasteful number, since it uses less digits than its factorization.

255825838607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952869128.

The product of its (nonzero) digits is 32256000, while the sum is 59.

The spelling of 255825838607 in words is "two hundred fifty-five billion, eight hundred twenty-five million, eight hundred thirty-eight thousand, six hundred seven".