255170928547 has 2 divisors, whose sum is σ = 255170928548. Its totient is φ = 255170928546.

The previous prime is 255170928539. The next prime is 255170928647. The reversal of 255170928547 is 745829071552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255170928547 - 2³ = 255170928539 is a prime.

It is a super-2 number, since 2×255170928547² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (255170928527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127585464273 + 127585464274.

It is an arithmetic number, because the mean of its divisors is an integer number (127585464274).

Almost surely, 2^255170928547 is an apocalyptic number.

255170928547 is a deficient number, since it is larger than the sum of its proper divisors (1).

255170928547 is an equidigital number, since it uses as much as digits as its factorization.

255170928547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056000, while the sum is 55.

The spelling of 255170928547 in words is "two hundred fifty-five billion, one hundred seventy million, nine hundred twenty-eight thousand, five hundred forty-seven".