255676805869 has 8 divisors (see below), whose sum is σ = 264489608448. Its totient is φ = 246899326080.

The previous prime is 255676805863. The next prime is 255676805873. The reversal of 255676805869 is 968508676552.

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 255676805869 - 2⁵ = 255676805837 is a prime.

It is a super-2 number, since 2×255676805869² (a number of 24 digits) contains 22 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 (255676805863) 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, 8815972 + ... + 8844925.

It is an arithmetic number, because the mean of its divisors is an integer number (33061201056).

Almost surely, 2^255676805869 is an apocalyptic number.

It is an amenable number.

255676805869 is a deficient number, since it is larger than the sum of its proper divisors (8812802579).

255676805869 is a wasteful number, since it uses less digits than its factorization.

255676805869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17661395.

The product of its (nonzero) digits is 217728000, while the sum is 67.

The spelling of 255676805869 in words is "two hundred fifty-five billion, six hundred seventy-six million, eight hundred five thousand, eight hundred sixty-nine".