248776655 has 4 divisors (see below), whose sum is σ = 298531992. Its totient is φ = 199021320.

The previous prime is 248776639. The next prime is 248776667. The reversal of 248776655 is 556677842.

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

It is not a de Polignac number, because 248776655 - 2⁴ = 248776639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24877661 + ... + 24877670.

It is an arithmetic number, because the mean of its divisors is an integer number (74632998).

Almost surely, 2^248776655 is an apocalyptic number.

248776655 is a deficient number, since it is larger than the sum of its proper divisors (49755337).

248776655 is an equidigital number, since it uses as much as digits as its factorization.

248776655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49755336.

The product of its digits is 2822400, while the sum is 50.

The square root of 248776655 is about 15772.6552932599. The cubic root of 248776655 is about 628.9312989082.

The spelling of 248776655 in words is "two hundred forty-eight million, seven hundred seventy-six thousand, six hundred fifty-five".