255999999907 has 8 divisors (see below), whose sum is σ = 260605875392. Its totient is φ = 251417212200.

The previous prime is 255999999889. The next prime is 255999999919. The reversal of 255999999907 is 709999999552.

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 255999999907 - 2¹⁹ = 255999475619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255999996907) 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, 5749569 + ... + 5793922.

It is an arithmetic number, because the mean of its divisors is an integer number (32575734424).

Almost surely, 2^255999999907 is an apocalyptic number.

255999999907 is a deficient number, since it is larger than the sum of its proper divisors (4605875485).

255999999907 is a wasteful number, since it uses less digits than its factorization.

255999999907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11543889.

The product of its (nonzero) digits is 1674039150, while the sum is 82.

The spelling of 255999999907 in words is "two hundred fifty-five billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred seven".