255098278 has 4 divisors (see below), whose sum is σ = 382647420. Its totient is φ = 127549138.

The previous prime is 255098219. The next prime is 255098293. The reversal of 255098278 is 872890552.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63774568 + ... + 63774571.

It is an arithmetic number, because the mean of its divisors is an integer number (95661855).

Almost surely, 2^255098278 is an apocalyptic number.

255098278 is a deficient number, since it is larger than the sum of its proper divisors (127549142).

255098278 is a wasteful number, since it uses less digits than its factorization.

255098278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127549141.

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 255098278 is about 15971.7963297808. The cubic root of 255098278 is about 634.2140258015.

The spelling of 255098278 in words is "two hundred fifty-five million, ninety-eight thousand, two hundred seventy-eight".