255877090 has 32 divisors (see below), whose sum is σ = 538623360. Its totient is φ = 85688064.

The previous prime is 255877079. The next prime is 255877103. The reversal of 255877090 is 90778552.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39495 + ... + 45514.

It is an arithmetic number, because the mean of its divisors is an integer number (16831980).

Almost surely, 2^255877090 is an apocalyptic number.

255877090 is an abundant number, since it is smaller than the sum of its proper divisors (282746270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255877090 is a wasteful number, since it uses less digits than its factorization.

255877090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85066.

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 255877090 is about 15996.1586013643. The cubic root of 255877090 is about 634.8587860495.

The spelling of 255877090 in words is "two hundred fifty-five million, eight hundred seventy-seven thousand, ninety".